Physics Questions and Answers November 17, 2022

Find the value of Zr, that will absorb the maximum average power and the value of the maximum power.,In the given circuit, V 170V. Find the value of Z, that will absorb the maximum average power and the value of the maximum power. 192 j1 V V j1Q2 The value of Z is 0.5 Correct answer, well done. 2V Your last answer was interpreted as follows 0.5

An electron of mass m and charge q is moving under the influence of a uniform electric field, vec(E)E(0) hat(y) and a uniform magnetic field, vec(B)B(O) hat(z). The initial position of the electron is the origin (0,0,0) and the initial velocity is vec(v)v(0) hat(x). (i) Write the equations of motion. (ii) Determine the trajectory vec(r) (t) of the

imagine building a circuit with one battery and one resistor R. Imagine now adding in series two more resistors of The same value R, in order to have a circuit with The same battery and three R resistors in series. 1. The current through each resistor in the three resistor circuit is the current through the resistor in the one resistor circuit.

An unknown station has a semi-major error ellipse axis of .05 m. If positional tolerance standard is .01 m + 2 ppm at what distance from a control point does the station change from fail to pass. (a) 200 m (b) 2000 m (c) 20000 m (d) 40000 m

An actionadventure star in a movie is hanging from a helicopter. Very exciting. He has a mass of 90 kg, and he is hanging onto the helicopter with his left hand. Hanging from the star and holding onto his right hand is a 60 kg panda Determine the tension acting inside each of the stars arms if a) The helicopter is flying at a constant speed.

missing character is y

Suppose the two sources are located at (x, y) (0m, 1m), and (x, y) (0m, 1m). What would be the path difference Ad if the observer was located at (x, y) (3m, 1m) 0.60 m 0.88 m 1.60 m 3.60 m A

Find speed of circular motion

Two ants are standing on an oldfashioned 45 record player, which starts from rest and then takes 10 seconds to speed up before it revolves constantly at 45 times per minute. The record has a radius of 8.0 cm. One ant is standing at a location 2.0 cm from the center of the record, and the other is standing at the outer edge.

A tractor with a bounce frequency of 3.5 Hz and a damping ratio of 10 travels at a constant speed over a rough plowed field. Using a quartercar model, calculate and plot the rms acceleration of the vehicle for frequencies between 110 Hz in thirdoctave band intervals.

- The following events all take place during the firing of a firearm. Put them in order from the 1st event to the 9th event. __ Casing is ejected from firearm __ Primer powder sparks through the flash hole to the gunpowder __ Bullet is expelled from casing into the barrel __ Pressure of exploding propellant exerts force on bullet inside casing __

The emitter current is always Group of answer choices greater than the base current less than the collector current greater than the collector current

Risk Retention is an appropriate method of handling risk for, Select one: a. High frequency, low severity risks where potential losses are relatively large b. High frequency, low severity risks where potential losses are relatively small c. High frequency, high severity risks where potential losses are relatively small d. low frequency, low

For the most powerful person in your group, determine a. Their power in Horse Power (HP). 1 Horse Power is about 750 W. 1 horsepower 2,545 BTUhour. PWt b. How long they would need to run to light a 100 W light bulb for an hour. (31) HPW746 (21) HP1007460.13596

Comment on the graphs produced by the wheel sensors. In particular, highlight a part of the graphs where the position looks like a sin() function. Do v and a also look sinusoidal Are the frequencies (or periods) of the three plots the same 2. Do the maxima of the x, v, and a curves align, or is there a phase offset between them Explain. 3. In this

The previous phases of construction at Stonehenge included Group of answer choices ] a series of raised-stone barrows circular bank and ditch earthwork a ring of posts or standing stones all of the previous answers

A horizontal force, F 65 N, and a force, F 11.6 N acting at an angle of to the horizontal, are applied to a block of mass m 3.4 kg. The coefficient of kinetic friction between the block and the surface is 0.2. The block is moving to the right. Randomized Variables F 65 N F2 11.6 N m 3.4 kg F A 50 Part (a) Solve numerically for the

. How does the experimental focal length for the three converging lenses compare to the actual focal lenses In other words is the percent error less than 5 which is what you would expect.

Compute and graph an example of the spectrum of a frequencyselectively faded signal due to a single multipath channel for a wideband signal. Assume specular reflection. Using the multipath slide in this submodule for guidance, assume a broadband signal that goes from 9901010 MHz, that do is 1 km, h1 is 30 meters, and h2 is 10 meters. Adjust these

Suppose you are using a camera and wish to have a larger image of a distant object than you are obtaining with the lens urrently in use. Apply the lens equation and the expression for lateral magnification to decide if you should change to a lens with a longer or a norter focal length. (Hint Note that the object distance is essentially fixed.) O O

Consider a spin 12 particle. Call its spin S, its orbital angular momentum L and its state vector . The two functions (r) and (r) are defined by (r) r Assume that 4 ) .(r) R(r) Y(0, p) (ryY(G, 73 109 (0.00) R(r) v(r) RG Y(0, ) Y(0, q) where r, 0, 0, are the coordinates of the particle and R(r) is a given function of r. a. What condition

One of the meteor shows in November is the Leonids. The Leonids happen when Earth travels through the path of which comet? Group of answer choices Comet Hale-Bopp Comet 55P/Tempel-Turtle Comet Hyakutake Halley's Comet The Great Comet of 1843

From a distance of 5R from the center of a planet of mass M and radius R, a satellite of mass m is launched with a speed v0 q GM 5R at time t 0 in the direction shown in the figure. Calculate the energy E of the satellite in terms of G, m, M and R. What ype of orbit (i.e. what type of curve) does the satellite follow

DRAW A FREE BODY DIAGRAM AND SHOW ALL WORK PLEASE! A steel rod is embedded into an aluminum plate as shown.

Z y Wide Wide High High Thick Thick The plate is 1 cm thick, 6 cm wide and 8 high. The circular steel rod is 3 cm diameter and 6 cm long. The center of the rod Is embeded at x 3 cm and y 5 cm relative to the origin shown. Use the density of steel is 8000 Kgm and the density of Aluminum is 2800 Kgm Include in show work a 2D view from x axis and z

A speed boat is required to move at a constant speed of 50 mph. What is the power needed to overcome a resistive force of 1000 pounds from the water a. 35 HP b. 72 HP c. 130 HP d. 210 HP e. 350 HP

Consider the beam and loading with M6 kNm shown in the figure. Vertex M Parabola 8 m Determine the magnitude and location of the resultant of the distributed load. (You must provide an answer before moving to the next part.) The magnitude of the resultant is The location of the resultant is KN (Click to select) m to the right of A O

A centrifuge has an angular velocity of 3,000 rpm, what is the acceleration (in unit of the earth gravity) at a point with a radius of 10 cm a. 100 g b. 300 g c. 1,000 g d. 3,000 g e. 10,000 g

The cross section of a concrete dam is shown in the figure. Consider a 1ftwide section of the dam and take h14.5 ft. Given, the specific weight of the fresh water, y 62.4 lbft3 and the specific weight of concrete. Vc150 lbft A 9 ft 6 ft 6 ft 1616 C B The resultant of the pressure forces is 18 ft Determine the resultant of the pressure forces

Determine the centroid of the area shown when a 2 in. a y Qy d Y in. in. 2120 Integral Table Includes MATLAB commands after syms x y x1 x2 f1x2 1 1 Area dz int(f,x, x1,x2) int( int(1,y,0,f), x, x1, x2) ZL I X Qx2 6(2)6 (2) n(22) In (2) int(x f, x, x1,x2) int( int(x,y,0,f), x, x1, x2) int( (f2) f, x, x1,x2) int( int(yy,0,f), x,

A sprinter of mass 100.0 kg accelerates from rest to 13.0 ms on a flat track in 3 s. In the following treat the effect of air resistance to be negligible. Include units as appropriate. (a) What is his power output (also called useful power out) during this time P ,(b) The sprinter trains by sprinting up a small incline. If he is to accelerate from

A 2,200-lb sports car with a power of 135 hp can accelerate from zero to 110 mph. How long approximately will it take to accomplish this? a. 6.3 sec b. 13 sec c. 17 sec d. 21 sec e. 26 sec

A mirage, due to total internal reflection, can occur for which explanation below? Group of answer choices The air near the surface has a very high humidity The colder air near the surface has a lower index of refraction that the air above it The warmer air near the surface has a higher index of refraction Warmer air near the surface has a lower

Consider you have a magnifying glass with a lens that has a focal length of lens is 10 cm, what is the furthest from the lens you can place an object from the lens to be able to see it clearly? Group of answer choices 1/10 cm 10 cm 20 cm 1 cm

The absolute magnitude of the energy of a meteor approaching the earth is given by E GMm L where M is the mass of the earth, m the mass of the meteor, and L its angular momentum. What are the types and eccentricities of possible orbits

Two planets each of mass m are in counterclockwise circular orbits around a star of mass M (see the figure below). The inner planet P is in an orbit of radius R, while the outer planet P is in an orbit of radius 2R. Express your answer to all parts of this problem in terms of R, M, m and G, Newtons gravitational constant. Assume m M. P P a) (2

Find the wavelengths for each angle using dsin(theta)m(lambda) Color red orange yellow green blue purple 0 0.2742 0.2565 0.2364 0.2096 0.1906 0.1628 8 0.2698 0.2498 0.2363 0.2074 0.1784 0.1606 d d Q

The net power flow in the z direction for contradirectional coupling is AA. Show that d ( 1A, 1 A )dz 0, where A and A satisfy the following coupled equations d A ik A (z)eiz dz d A ik A(z)eiAz dz

Consider a periodic array of slits with a period of A through which light propagates. Let be the angle of incidence. Show that diffraction occurs at angles that satisfy the following equation A sin A sin 0 m, m 1,2,3,... (b) Let z be the direction of periodicity. Show that the equation above can also be written as kk m(2A), m 1,2,3,...

5678 AWN40 3Digit Lock Lock 3 000,Design a 3digit lock circuit such that the lock opens (0) when 3digit passcode pressed sequentially and closed (1) otherwise. The passcode is the rightmost 3 digits of your student ID. Example the pass code is 912 for student ID 210202912. The circuit has 10 inputs each 1bit. Each input represents a decimal number

the structure of a microring resonator. Light propagating in the waveguide couples with the light in the microring resonator through a coupler (red shaded area). The coupler can be modeled as a beam splitter that connects the fields in the waveguide and microring resonator via 3413 where 1 1x 1. For simplicity, we assumer and are real positive

Elastic Collision In this simulation we explore the behavior of two masses which collide elastically in order to investigate the properties of a perfectly elastic collision. Start by familiarizing yourself with the controls of the simulation. For this simulation you can adjust the mass of the first object m 1 , the velocity of the first object v 1

Start Controls 40 m (kg) V (kg) m (kg) V (kg) 30 Reset 2 10 2 10 1 2 20 3 4 5 6 7 8 9 10 2 4 6 8 10 10 1 2 3 4 5 6 7 8 9 10 20 18 16 14 12 10 8 6 4 2 0 10 5 0 12 5 10 14 16 18 10 20 20 30 x (m)

What is the Impedance for the following circuit in both rectangular and polar coordinates Resistor R1 is 160 Q, Resistor R2 is 980 , inductor L1 is 13 mH, inductor L2 is 2 mH, and the frequency is 4 kHz.

The density of air is 1.2 kg/m3. For a wind speed of 6 m/s, what is the power per area carried in the wind? 130 W/m2 260 W/m2 3.6 W/m2 22 W/m2

Find the total current and the magnitude of both the resistor voltage and the inductor voltage in the following circuit. The voltage VS is 1020 V, resistance R is 32002, inductance L is 3 mH, and the frequency is 8 kHz.

When a wave reflects off a higher index of refraction medium than the one it is traveling in, is the reflected wave aligned in the same or opposite orientation as the incident wave When a wave reflects off a lower index of refraction medium than the one it is traveling in, is the reflected wave aligned in the same or opposite orientation as the

Find the vector potential inside and outside of a spherical coil (solenoid) with an equidistant righthanded winding with respect to the zaxis through which a current flows, as a function of the coil radius r and the winding density n dNdz. Calculate the magnetic field as the curl of the vector potential and show that it fulfills the boundary

Use the space provided below to record data and perform calculations. Your work will be assessed using the rubric above. Include additional pages if needed. Include data tables showing measurements that you made, including units, and calculations. Be sure to show measurements and kinetic energy (KE) calculations for each trial. You should have at

A light source shines 500 J of infrared light onto a piece of glass that has an absorbance of 0.4 for infrared light. How much light is transmitted through the glass?

If we are looking at transitions from a much higher state to a much lower state (i.e., n n ), what can we say about the 55 part of the Rydberg equation What happens to the difference in energy (or frequency) between different emission lines What does that tell us about the maximum energy of the emissions for each of the series Enter answer... 7.

A spring is 25.10 m long. A standing wave on this spring has 5 antinodes. Draw a picture of this standing wave (yes, actually draw this picture). How many nodes does this standing wave have? What is the wavelength of the waves that are traveling on this spring to create this standing wave?

A very bouncy mushroom can be modeled as a mass of 30 g (the mushroom cap) on top of a spring (the mushroom stalk) with spring constant 20 Nm. A bird of mass 50 g lands on the mushroom gently so that its velocity is zero when it lands. a) Relative to the initial height of the mushroom, what is the new equilibrium height of the mushroom about which

object my 1.70 kg starts at an initial height 0.265 m and speed v4.00 ms, swings downward and strikes (in an elastic collision) object m 4.40 kg which is initially at rest.,4.00 ms (a)Determine the speed of m (in ms) just before the collision. (b) Determine the velocity (magnitude in ms and direction) of each ball just after the collision

You and your family take a road trip on a long holiday weekend. In a certain section of the trip where the road is particularly uneven, the car goes over a bump that is curved downward with a radius of 16.5 m. See diagram below. The mass of the car and its passengers is 1800 kg. (a)When the car is at the highest point of the bump its speed is 6.30

a block with mass m 5.1 kg pulled up on a rough surface inclined at an angle of 8 29 with a force of magnitude F 40 N parallel to the surface. m a. The system is at equilibrium. Draw a free body diagram for the crate, showing all the forces that act.,For m b. Calculate the static friction coefficient that prevents the system from moving. c. If

The following graph represents a position vs. time graph for the motion of someone walking and jogging back and forth along a straight path. Position (m) 40 35 10 25 20 15 10 5 0 7 4 6 8 10 12 14 16 18 20 22 24 Time(s) a) When does this person have herhis greatest speed How much is that speed Explain b) What is the persons displacement from 6

Using a ruler and a protractor draw a vector of 12 ms oriented at 200. a) Use a scale of 1 cm3 ms. Angles are measured counterclockwise from the positive x axes (0). b) Clearly draw the components and measure them xcomponent ycomponent cm cm ms ms Calculate the components and compare to the measured ones.,c) Show how you add this vector with

Consider the case of a hoop that has a radius R = 0.5 m and mass m = 10 kg, placed at the top of a ramp inclined at an angle of 30and 10 m long. The coefficient of kinetic friction between the hoop and the ramp is 0.1. (The moment of inertia in this case is I = 2 mR2). Find the time it takes for the hoop to roll down from the top to bottom and the

In a physics lab experiment, one end of a horizontal spring that obeys Hookes law is attached to a wall. The spring is compressed 0.400 m, and a block with mass 0.300 kg is attached to it. The spring is then released, and the block moves along a horizontal surface. Electronic sensors measure the speed of the block after it has traveled a

35 55 N L4 a horizontal rod, of length 12.0 m, with forces acting on it. L2 D L2 A 15 N 20 40 25 N a) What is the net torque (in Nm) on the rod about an axis through B perpendicular to the page Give magnitude and direction. b) What force should be placed at point D. perpendicular on the rod to prevent the rod from rotating. Give magnitude and

A patients leg was put into traction, stretching the femur from a length of 0.46 m to 0.461m. The femur has a diameter of 3.05 cm. With the knowledge that bone has a Youngs modulus of 1.6 100 in tension, what force was used to stretch the femur 9. A force of 40 N applied at the end of a wire of length 4 m and diameter 2.00 mm produces an extension

The cart is pulled on the horizontal to the left by a force of 55N and moves frictionless across the table top as the block on the right is raised. Calculate the acceleration of the block on the table by 15pts. A) Drawing the necessary freebody diagrams. 12pts. B) Applying Newtons second law for the three objects. 8pts. C) Showing calculations to

If a 3cm diameter steel rod has 2000N of force applied, what is the strain on the rod b. How much would the length change if it was originally Im long

A 2400 cm container holds 0.11 mol of helium gas at 340C. How much work must bed to compress the gas to 1500 cm at constant pressure Express your answer with the appropriate units. View Available Hint(s) Submit H W270.301 This unit is not recognized. See the list of acceptable units No credit lost. Try again Part B. Previous Answers How much

Three very long wires of length L lie parallel to each other, and are arranged through three of the vertices of a square with sides of length a. A crosssection of this arrangement is shown in the figure. The currents and their directions are marked. Neglect the effect of fringing fields. (a) What is the magnetic force, F, on the leftmost wire due

Hang the given object with an unknown mass to the same Spring. Measure the initial and final lengths of the spring before and after attaching the mass. Calculate the value of the unknown mass. Show all your calculations with exact units. The initial length of the Spring Final length of the Spring Mass of the given object 4,6. Newtons second law

O,A long conducting cylindrical shell is concentric about a long wire. The shell has outer radius c and inner radius b, while the wire has radius a a b c. The wire has a uniform current 3i into the page and the shell has a uniform current Si out of the page. A crosssection of the arrangement is shown to the right. Use Amperes Law to answer the

In the Viscosity experiment, a steel spherical ball of radius 1.55 mm is dropped into the liquid column, and the velocity is measured as 6.3 cms. Calculate the Viscosity of the liquid . Density of the steel ball7.83 gcm Density of the liquid0.88 gcm 2,3. During the experiment of a rotational motion using the equipment given as in the figure, a

You direct a 20.0 mW laser beam toward a reflecting surface at normal incidence. The cross section of the beam has a diameter of 2.65 mm when it arrives at the surface. If 87 of the beam is reflected from the surface, what is the total pressure on it due to the incident and reflected energies Nm2 Submit Answer 1 Points DETAILS SERPSEWA10

Radio waves from a source are incident on a flat surface at normal incidence. If the surface absorbs 100 of the incident energy and experiences a pressure of 3.45 x 107 Nm, what was the power per unit area of the incident waves Wm Submit Answer 7. 1 Points PRACTICE ANOTHER A 15.0 mW laser beam is directed toward a small sphere of diameter 1276 nm

Earths rotation rate, then and now. Research with an extinct type of clams that lived 70 million years ago involves the daily growth rings that formed on the shells. Measurements reveal that the day back then was 23.5 hours long. (a) In radians per hour, what is Earths current rate of rotation w (b) What was it back then (c) Back then, how many

A housing attached to a microprocessor uses radiator fins to get rid of excess heat. If the largest amount of radiation emitted by the fins has a frequency of 226.50 THz, what is the associated wavelength m Submit Answer 4. 1 Points DETAILS SERPSEWA10 33.WA.012. If the electric field emitted by a radio tower has an amplitude of 163 Vm, what is the

What happens to initiate spontaneous subduction? O Continental lithosphere randomly starts sinking into the mantle. Young oceanic lithosphere begins subducting at a divergent boundary. Oceanic lithosphere is forced down into the mantle by another plate. Old, dense oceanic lithosphere subducts due to its own weight.

Which food chain would support the most biomass at the top trophic level, given the same amount of biomass in the first trophic level? grass mouse - hawk - grass - insect - praying mantis - insect-eating bird - hawk grass insect - insect-eating bird - hawk

Miki is standing in a parking lot on a sunny day. He is 1.8 m tall and castsa shadow that is 5.4 m long. a) Drawa scale diagram that can be used to measure the any at which the Sun's rays hit the ground. b) Determine the length of the shadow cast by a nearby tre that is 12.2 m tall

A 2.00-kg small sphere, moving to the right at 11.0 m/s, bounces head-on off a larger 5.00-kg sphere, which is initially hanging motionless from a long string. The smaller sphere moves back to the left at 8.00 m/s. Calculate the maximum height (in m) to which the larger sphere rises as it swings to the right post-collision.

A 0.06 kg tennis ball is spun on a table. If it has a radius of 2.65 cm and we were able to spin it at 4 rev/sec in 3 seconds. (A) what is the angular acceleration of the tennis ball? (B) What is the moment of inertia of the tennis ball? what is the torque that the tennis ball experiences in these 3 seconds? [spherical shell]

ten moles initial Pressure Pressure at reversibly a of an ideal gas at the of one one atmospheric were expanded Pressure 0L under final isothermal conditions. of oil atmospheric calculate the work done by Pressure the gas the heat energy and System. (R = 1.987 (al. Kl.mol"').

A wire of length 0.05 m, radius of 0.002 m has a current running through it at a constant rate. a) What is the current if 2 C of charge pass through it every 4 seconds? b) What is the resistance of the wire if p = 1.7 x 10 -80 m? c) What is the potential difference across the wire? d) How much power is lost as the current passes through the wire?

During an adiabatic process, one finds that nCvdT+pdV = 0. (12) Once we replace the p with its equivalent state from the ideal gas law, a relationship appears between temperature and volume. Integrate the equation for finite changes to get a natural-log solution of T and V that adds to 0.

RECORD POSITIONS IN CENTIMETERS FOR EACH CART AND TIME ELAPSED immediately before and immediately after collision. Calculate the velocities of each cart immediately before and immediately after the collision V AxIAtti Vir AxirAtir 4. Calculate the momentum, the Kinetic Energy K before and after for each cart, and find the difference. 5. Add 200

Suppose T is the period of oscillation of the cart referred to in question 1, and we vary its mass, m, by adding weights to it. T depends on mass, and if we plot T2 vs m/k, where k is the spring constant, we find that the graph is well fit by a straight line. What do you expect the slope of the line to be?

For a particular double slit experiment, the first order maximum occurs for 0 0. Determine the intensity at 02330 in terms of the intensity at the central maximum lo For a particular single slit experiment, the first order maximum occurs for 0 0. Determine the intensity at 0 023 02320 in terms of the intensity at the central maximum lo.

A large airplane typically has three sets of wheels one at the front and two farther back, one on each side under the wings. Consider the Boeing 787 Dreamliner, with a mass of 199,000kg. In this particular model, the distance from the front wheels to the rear set of wheels is 22m. View full document ,Problem 6 Part A If the center of mass of the

Immediately after the car gets to the bottom of the hill, it experiences a 12 meter stretch of track that applies a constant force of friction he-KE (2000N) while the car is on that particular track. What is the final 0 KE-hE. speed the car and its passengers will have when exiting that track m section?

Explore different atoms and energies 1. Vary some characteristics of the atom. Use the sliding controls to change the number of protons and the number of neutrons. What changes in the scattering are observed when the selected number changes? What is the explanation for this?

Compare the Period formula governing the oscillation and the general equation for a straight line to explain why the graph you made in Part B will be a straight line. Use this comparison to show what the value of the slope should be in terms of k and . What should the yintercept be

Make a detailed graph of the function r(t) that you found in part a) as a function of time, from OstsT. Make sure to only show specifically the time range 0 t 3T (nothing before or after). Label your axis clearly and include at least two numerical values for each axis to describe how the amplitude behaves in time.

Explain in nontechnical language how a multi speed manual gearbox works (as in a typical car), Illustrate your answer with at least one diagram of a twospeed gearbox. 4 (c) Choose numbers of teeth for each gear that will provide the required gear ratios. Give an approximate solution if an exact one cant be found.

Amaya is riding in a frictionless wagon being pulled by Blake. Carlos wants to join Amaya in the wagon does so. How will the acceleration of the wagon with Amaya and Carlos compare to the acceleration c wagon with just Amaya? Assume that Blake pulls with the same constant force both times.

he focal length of a thin converging mirror is 0.2 cm. what is the distance from the lens to the object if the image is real and the image distance from the lens is 0.25 m

2.0 m string is fixed at both ends and tightened until the speed of the wave m/s. At what frequency the string would generate a standing wave as n in the figure? 2.0m F= Part B - Solve the following problems 78 Speed 18 m/s = 20-m_r 1200 lcg 166 3 00 kg car moving at 15.6 m/s collides with a stationary car of mas after collision, what is their

The European H. heidelbergensis specimens are transitional between H. erectus and Neandertals. The below image is of H. heidelbergensis from the Sima de los Huesos. Identify the feature from this skull that shows its connection with its ancestor H. erectus

Trace beams of light to find out how light rays behave when they reflect from a plane surface and from two types of curved surfaces. You will also discover how light rays behave when they pass through two types of lenses.

In contrast to older holiday lights that used incandescent bulbs with filaments (that always burned out), modern lights usually consist of light-emitting diodes (LEDs) that are constructed of different semiconductor materials to obtain different colors. Calculate the energies (in electron-volts, eV) of a photon emitted from red (700 nm) and blue

Hot water is poured into 3 identical cups of the same shape and sizes but made of different materials. The conductivities of each cup is listed below in relative terms: Cup 1: high conductivity Cup 2: medium conductivity Cup 3: low conductivity If you touch each cup, which one will feel the hottest?

For the linkage in Figure 3 below, determine the velocity of point "C" and the angular velocity (rpm) of link 4. a) Use a graphical solution of instantaneous centers using AutoCAD to acquire the ICR position and radius distances. b) Create the Working Model simulation and compare results with Q1 and Q2. 100 RPM 1 B Velocity Scale: 1" = 200 fpm

Use the method of nodes to determine the strength in each member of the truss shown. Establish whether the elements are in tension or compression.1kip=1000pounds(it is not necessary to convert, just so you know what a kip means)

10.8 kips 225 D 35 10.8 kips

A nuelear reactor produces highvoltage electrical energy that must be stepped down for use in a submarine. To decrease the voltage in the submarines cireaits. the engineers would use A. a resistor B. a generator C. an alternator D. a transformer

If the telescope were to look for a very distant galaxy, receding from us at 0.99 times the speed of light, it might seek to observe the Lyman alpha line of atomic hydrogen. It would be absorbed or emitted by hydrogen atoms in the galaxy with a wavelength of 121 nanometers (nm). What wavelength would the telescope find for this light, as it sees

A heat pump has a coefficient of performance of 8.65. It absorbs 86 kJ of heat from the cold reservoir. How much work in kJ is required to operate the pump? Use 2 singificant figures in your answer1 answer

E 00000000,A block of mass m slides with speed along a frictionless, horizontal surface toward an unstretched spring attached to a wall, as shown above. The block compresses the spring a maximum distance Ax. Which of the following values of block mass and initial speed would result in the same maximum compression distance Ax for the spring (C)