Physics Questions and Answers November 15, 2022

The grid bearing from A to B is N 83-21-19 W. Clockwise horizontal angle at B from C to A is 315-11-19. The bearing from C to B is (a) S 51-45-24 W (b) N 51-45-24 E (c) S 38-32-38 E (d) N 38-32-38 W

(show exactly how you got the values for the chart),Vi (ms) 2.00 2.50 3.00 3.00 (ms) 0 0 1.00 1.00 V (ms) Vr (ms) (kg.ms) Per (kg.ms)

CHANGE Elasticity to 0 by dragging the blue triangle (A) to the left 2) Select m 3kg and m 2kg 3) Select v1.00ms and v0 4) Click on play, then after collision Pause 5) Record the value of v, (velocity after they stuck together) into table 2. 6) Repeat the experiment for other values of v. Table 2 (answers only, no rough work) (ms) 1.00 1.50 2.00

a) On graph paper, sketchlabel the cross section of a piezoelectric sound pressure transducer. Indicate on your sketch where the pressure is being measured. Explain how a piezo crystal pressure sensor works. How is it different from the pressure sensors designed with elastic type transducers At Inicial thickness, t Electrode Crystal P2 9 Electrode

Where the voltage between ungrounded conductors does not exceed 300V, and the roof has slope of 3 in. to 12 in. a clearance between conductors and roof ____ft shall be permitted? A. 3 B. 4 C. 8 D. 2

This imaginary surface is a level plane 150 feet above runway elevation and is intended to allow for aircraft to circle, be in the pattern or maneuver without encountering any objects. options: a) Horizontal Surface b) Primary Surface c) Conical Surface d) Transitional Surface

A good radiograph is taken using a technique of: 210 mA, 90 ms and 150 RS. Find the new time (ms) value required to maintain exposure conditions if a 100 RS value is substituted and the mA value remains constant.

Physical sediment light enough to be carried in the flow of water; often the majority of a stream's load.. choose one: 1. bed load 2. suspended load 3. dissolved load

A cylindrical rod of length 2.0 m, radius 0.5 m, and mass 1.3 kg has two spheres attached on its ends. The centers of the spheres are 1.0 m from the center of the rod. The mass of each sphere is 0.60 kg. The rod is capable of rotating about an axis passing through its center and perpendicular to the plane of the page, but the set up is stationary

A ladder of length 2L and mass M is positioned on level ground leaning against a wall such that the between the ladder and the horizontal is x. The coefficient of static friction between the ladder and the wall and between the ladder and and the ground is ystatic = 0.66. The centre of mass of the ladder is halfway along it. What [5 ?] forces are

A new electrical installation forming part of a TT system is to be tested as part of the initial verification process. The first test to be carried out once polarity has been confirmed is... a) prospective short circuit current b) earth electrode resistance c) external earth fault loop impedance d) operation of RCDs

A uniform ladder stands on a rough floor and rests against a frictionless wall as shown in the figure. N mg b Since the floor is rough, it exerts both a normal force N and a frictional force f on the ladder. However, since the wall is frictionless, it exerts only a normal force N on the ladder. The ladder has a length of L 4.50 m, a weight of W

The unity frequency is: choices the frequency at which the gain of the op amp is 0 dB the frequency at which the gain of the op amp is 1 dB the frequency at which the gain of the op amp is maximum the frequency at which the gain of op amp starts decreasing

A small block of metal with a temperature of 10 Celsius is heated until the average kinetic energy of its particles doubles. What is the new temperature of this block

The test voltage and minimum insulation resistance test values for an installation forming part of a 230 V single phase, TN-C-S system are... a) 500 V and 0.5 M b) 250 V and 0.5 M c) 250 V and 1.0 M d) 500 V and 1.0 M

What happens if the frequency of sound waves speeds up? A the duration increases B the pitch increases C the vibration and loudness increases D the quality of the sound decreases

formal operational adolescents usually ________. options: a) test changes in string length and changes in weight together before testing them in isolation b) focus on only the weight of the object on the pendulum, and not the length of the string c) identify relevant variables and test each one separately and, if necessary, also in combination d)

The aerodynamic lift of the wing is described by the distributed load w 30010.04x Nm. The mass of the wing is 27kg, and its center of mass is located 2m from the wing root R. (a) Determine the magnitude of the force and the moment about R exerted by the lift of the wing. (b) Determine the reactions on the wing at R. 2 m 5 m 1,The aerodynamic lift

Compare your impulse derived measurements to the momentum equation and the impulse from the integral. Does there appear to be a strong relationship? Based on your results come to a conclusion regarding the validity of the impulse-momentum theorem

Throughout the experiment, the string and rubber band tethering the cart to the force sensor was not changed. How might you expect your data to change if you had only used the string (less elastic material) and not the rubber band?

The radioactive nuclei Co is widely used in medical applications. It undergoes beta decay, and 34) the total energy of the decay process is 2.82 MeV per decay event. The half-life of this nucleus is 272 days. Suppose that a patient is given a dose of 6.9 microCurie of Co. If all of this material decayed while in the patient's body, what would be

As a wave approaches the coastline, it changes in what manner(s)? Group of answer choices The approaching wave becomes more circular. The approaching wave becomes less steep. The approaching wave becomes steeper. The approaching wave's trough becomes deeper.

Consider a Hall effect thruster where all the ions are produced by the Hall current that ionizes the neutral gas in the accelerating channel. A. What sort of particles constitutes the Hall current Sketch the trajectories of these particles. B. Neglecting the ion losses on the walls of the accelerating channel and assuming that all the ions

At 300 P.M., a bank robber is spotted driving north on 115 at milepost 111. His speed is 148.0 mih. At 337 P.M., he is spotted at milepost 186 doing 104.0 mih. (Assume a straight highway). Assume north to be positive. What is the bank robbers displacement during this time interval Enter a positive value if the displacement is toward north and

While an elevator of mass 2590 kg moves upward, the tension in the cable is 36.7 kN. Assume the elevator is supported by a single cable. Forces exerted by the guide rails and air resistance are negligible. What is the acceleration of the elevator If the acceleration is in upward direction, enter a positive value and if the acceleration is in

A child is pulling his wagon east across the ground. If he applies a force of 60 N, 20 above the horizontal, the wagon accelerates at 0.50 ms. If the wagon has a mass of 10 kg, determine a) The force of friction acting on the wagon b) The magnitude of the normal force c) What a scale will read if the wagon is pulled over one.

A 60 kg bully pushes a 30 kg kid. The bully applies a force of 100 N on the kid to the right. a) Determine the acceleration of each person if there is no friction. b) If the bully is not to get pushed backwards, how much force must he apply to the ground (obviously there is now friction) c) Assuming the friction acting on the kid is half that

A group of scientists at NASA decide to launch a 1.72 x 103 kg satellite into a circular orbit. What is the work done by gravity when launching the satellite from Earths surface to its orbit 521 km above (q1015) a) 2.45 x 10 J b) 2.51 x 10 J c) 8.78 x 10 J d) 8.78 x 10 J,A group of scientists at NASA decide to launch a 1.72 x 10 kg satellite into

Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force Fp 8.7 N. Here A has a mass m 11.0 kg and B has a mass m 7.0 kg. The contact force between the two boxes is Fc. The coefficient of kinetic friction between

An Iron cylinder weights 11 N outside water and only 9 N when totally submerged in it. What is the volume of the cylinder 11. On which situation is the buoyant force acting on a submarine more, when it is floating at the surface, or when it is totally submerged at the distance of 100 m from the surface. What will be the pressure excepted by the

Find the force P, T, and T necessary to keep the 2222 N beam in equilibrium.. Keep the length L of the beam unknown, you will see you do not need it to find the solution. P T 40 30 Solution P 1888 N, T 2029 N, T 977 N. T 70

Dana has set up a target for her toy spring gun. The gun requires 8.10 g pellets as ammunition that travel 11.2 ms when shot. If the spring inside has maximum compression of 0.0800 m, what is the spring constant for the spring in the toy gun

Demonstrate that Bohrs model of the hydrogen atom is well approximated by a classical particle model (classical physics) in the case of very large quantum numbers (while ignoring Maxwells system of equations for charged particles). Show all intermediate algebraic steps.

The centers of a 15.0 kg lead ball and a 150 g lead ball are separated by 7.00 cm. You may want to review (Pages 339 341). Part A What gravitational force does each exert on the other Express your answer with the appropriate units. Value Submit Part B V A Submit Provide Feedback What is the ratio of this gravitational force to the weight of the

Rank the final momentum of block B in each collision and explain,1. Consider the three collisions below Collision 1 PA 5 kgms A Before Collision Collision 2 PA 5 kgms A Before Collision PB 0 B PBi 0 B PAf 5 kgms A After Collision PAf 0 kgms A After Collision PBf B PBf B,Collision 3 PA5 kgms A Before Collision PBi 0 B PAF 2 kgms A After

Initial Final M W,A wedge of mass M is placed on a frictionless, horizontal surface, and a block of mass m is placed on the wedge, which also has a frictionless surface. The blocks center of mass moves downward a distance h as the block slides from its initial position to the horizontal floor. What is the speed of the block (Use any variable or

A 0.185 II inductor is connected in series with a 90 f resistor and an ac source. The voltage across the inductor is (12.5V) sin (490rads)x. Part A Derive an expression for the voltage across the resistor Express your answer in terms of the variables L. R. V. (amplitude of the voltage across the inductor), w, and t. Submit Part B R What is at 2.01

Consider the following double springmass system E www Assume that there is no friction or damping. At any time t 0, let y(t) be the displacement of mi and z(t) be the displacement of m from their positions at equilibrium. (a) Using Newtons 2nd law and Hookes law, show that the system of equations governing the dynamics of this system is given by,

Person Block Ice The mass of the block is 20 kg. Frictional forces between the block and the ice are negligible. The block has a wide crosssectional area, so air resistance is acting on the block, but air resistance on the person is negligible. The persons shoes do not slip on the ice. Question As the person pushes the block, the person moves with

Calculate the coefficient of linear expansion a for a 14.0 m metal bar that shortens by 0.900 cm when the temperature drops from 24.0 C to 9.00 C. 106 K1,Assume that 80 of the food calories consumed by a person is radiated as heat the rest goes to mechanical energy. A 1.88m (6 ft 2 in.) man has a mass of 81 kg, a body surface area of 1.8 m, and a

A soccer player is practicing their kick on a field. Initially at rest, an 0.8 kilogram ball is kicked directly toward a fence from a distance 25 meters away, as shown above. The balls velocity as it leaves the kickers foot is 19 ms at an angle of 30 degrees above the horizontal. The top of the fence field is 2.5 meters high. The kickers foot is

A 52 kg sprinter, starting from rest, runs 48 m in 7.0 s at constant acceleration. Part A What is the magnitude of the horizontal force acting on the sprinter Express your answer with the appropriate units. View Available Hint(s) F 100 N Submit Correct Correct answer is shown. Your answer 101.87 N was either rounded differently or used a

Before After,Ball I moves with a speed of 1.3ms at 45. Ball 2 moves with a speed of 4.2i3.5jms. They collide and Ball 2 moves away with a speed of 3.2 ms at 0240. They both have a mass of 2.1kg. Friction between the balls and the ground is negligible. a) What is the impulse that Ball 1 exerts on Ball 2 12.3 Ns at 252 b) If the balls are in contact

A turkey of mass 8.00 kg is at the top of a hill that is 10.0 meters tall. It slides down the hill which is frictionless. It then slides across a flat surface that is 5 meters long. The center of the section has a 2.00 meter section that does have friction with a coefficient of friction of 0.250 between the turkey and the surface. At the end of

If you have a paramagnetic material with 2.5 with magnetization which given by M cos (40) rsin(24) , Find the following a) the magnetic susceptibility of the material b) the volume bound current density c) the auxiliary field d) The free current density e) the magnetic field causing this magnetization

For a double pendulum a Draw and label the pendulums. Label the coordinates and the position of the two masses. Indicate the generalized coordinates. b Write down the xy coordinates of the two masses in terms of the length and the angle of the two masses. Write down the velocities. C Write down the kinetic energy and the potential energy. Convert

When a 37.2V emf device is placed across two resistors in series, a current of 10.1 A is flowing in each of the resistors. When the same emf device is placed across the same two resistors in parallel, the current through the emf device is 51.1 A. What is the magnitude of the larger of the two resistances

Assume all angles to be exact The critical angle between two materials is 53. Part A If the angle of incidence is 40, what is the angle of refraction (Consider that light can travel to the interface from ther material) Enter your answers in ascending order separated by a comma. VA24 029.5,57.0 Submit Previous Answers Request Answer X Incorrect Try

A wheel with radius 0.0600 m rotates about a horizontal frictionless axle at its center. The moment of inertia of the wheel about the axle is 2.50 kg. m. The wheel is initially at rest. Then at t 0 a force F(t) (6.00 Ns)t is applied tangentially to the wheel and the wheel starts to rotate. Part A What is the magnitude of the force at the instant

Consider one dimensional chain consists of many atoms with identical masses m and separated by a distance of a (lattice parameter). At equilibrium the abscissa of the nth atom is xna. The atoms can move only in a direction parallel to the chain and we note u,, the displacement with respect to its equilibrium position. For harmonic approximation..

A model airplane weighing 610 g is attached to a rope of length 2 m and allowed to fly at a constant height 1 m above the ground where the rope is attached to a rock. The propeller puts out a constant force 1.4 N. At time t0 s, the plane moves counterclockwise (looking down at it) at a speed 2.1 ms. (a) Write the position of the plane in relative

The diagram below shows a block (A) with mass 5 kg resting on a rough surface. Block B, with unknown mass, is placed on top of block A. Attached to block A is a light, inextensible string, running over a frictionless pulley and holding mass piece C of 3 kg. The rough surface has coefficient of static friction of 0,2. The tension in the rope is T

For the circuit shown below, find (a) the current in each branch of the circuit, (b) the potential difference between point a and point b, and (c) the power supplied by each battery. (3.00 A, 2.00 A, 1.00 A, 1.00 V, 21.0 W, 10.0 W) 7.00 V 2.00 2 5.00 V 3.00 2 1.00

Find the equivalent resistance between point a and point b in the figure below. (b) If the potential drop between point a and point b is 12.0 V, find the current in each resistor. (4.10 , 1.43 A, 0.57 A, 0.86 A, 1.50 A, 0.75 A) 6.00 a w 4.00 4.00 www 2.00 4.00 www 8.00 8.00 b

A soda can made of 0.1 mm thick aluminum sheet (density = 2.7*10^3 kg/m3) has a cylindrical shape 5 cm in diameter (the sheet was bent to make the cylindrical surface) and 12 cm high. The closed and empty can is dropped into a fluid with a density of 950 kg/m3. a) What is the volume fraction inside of the can (considering it approximately the same

A cylinder of mass 4 lb moves with negligible friction in the hollow tube if it rotates at a constant angular velocity Q = 7 rad/sec. The cylinder starts with initial velocity ro = 64 ft/sec at the point (3 in, 4 in). Determine the force exerted by the tube on the cylinder before leaving the cylinder.

. Un cilindro de masa 4 lb, se mueve con friccin despreciable en el tubo hueco, si rota a velocidad angular constante 7 radsec. El cilindro comienza con velocidad inicial ro 64 ftsec en el punto (3 in, 4 in). Determine la fuerza ejercida por el tubo sobre el cilindro, antes de salir del cilindro. S2

A cube of edge length L 0.28 m and density ho c 3.8times 103 kgm3 is partially submerged in a liquid of density ho 0.97times 103 kgm3, with the top of the cube at distance d 0.095 m above the liquids surface. The cube rests on a scale at the bottom of the container, as shown in the figure. Which of the figures shows the correct free body

Two stars of mass m 1.35 and M 17.0 (in units of solar masses) separated by a distance d 8.00 (in units of AU, the earthsun distance) revolve in circular orbits about their (common) center of mass as shown in the figure below. m c.m. 0 M What is the orbital period of the larger star in years 0,Two stars of mass m 1.35 and M 17.0 (in units of

Describe the following physical occurrences as events, that is, in the form (x, y, z, t): (a) A postman rings a doorbell of a house precisely at noon. (b) At the same time as the doorbell is rung, a slice of bread pops out of a toaster that is located 10 m from the door in the east direction from the door. (c) Ten seconds later, an airplane

The range of human hearing extends from approximately 20 Hz to 20,000 Hz. Find the wavelengths of these extremes at a temperature of 10.0C. x 20 Hz Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. m x Your response differs from the correct answer by more than 10.

A horizontal blockspring system with the block on a frictionless surface has total mechanical energy E 53.4) and a maximum displacement from equilibrium of 0.244 m. (a) What is the spring constant 1793 Nm (b) What is the kinetic energy of the system at the equilibrium point 53.4 (c) If the maximum speed of the block is 3.45 ms, what is its mass

Explain why do we track cumulative dose for occupational exposure, but why we typically dontshouldnt track cumulative dose from the diagnostic imaging of patients Consider the following points below Are we considering deterministic or stochastic risk Riskbenefit analysis Should dose from previous exams influence decisions to perform current

Find a secondorder differential equation for i. (15 pts) Find i(t) for t 0, if i (0) 0A, and V (0) 1V. (20 pts) v,2A1 A Vic 32 m , 24 VL 222

Explain why an effective dose below 100 mSv is considered low Where does the best epidemiological data come from What is the difference between a single exposure and a protractedfractionated exposure How does radiation dose from imaging compare to background rates How do radiation risks compare to baseline incidence

Write down the features 1 Reverberation artifact 2 Comet Tail artifact 3 Shadowing 4 Enhancement 5 Mirror Image 6 Grating and side lobe artifacts 7 Multipath artifact

2 R R CS Scanned with CamScanner 000 E2 L,Assume that an AC generator with V(t) (150V) sin100t is connected across the circuit terminals containing a resistor R 40.00, coil inductance L80.0mH and capacitor capacity C50.0F as shown in the figure. (a) Calculate the voltages VRO, VLO, and VCO maximum from the potential drops across each circuit

A blackbody at 7500 K consists of an opening of diameter 0.050mm, looking into an oven. Find the number of photons per second escaping the hole and having wavelengths between 500 nm and 501nm.

Consider a transmitted near field experiment for measuring refractive index profile of a multimode fiber. If all modes of the fiber are equally excited, show that ( P(r)) (Pmax) (n12nr) (n12n22) where Pmax and P(r) are the total input power and power at a distance r from the center of the fiber respectively

In the drawing shown here, in which case will the object have the greatest and the least acceleration?

80 N A 20 N 50 N B 60 N 80 N C 20 N 120 N 30 N

Jane is holding a bar by applying a vertical force at the point shown. The bar is stationary, 1 m, 10 kg, and at angle 20, and can rotate about O. If the bars center of mass is at its middle, calculate the magnitude and direction of vertical force at the hinge at O. 0.3 m 00 20 83.2 N, downward 83.2 N, upward 65.4 N, upward 65.4 N. downward

A 100 kg toy car collides head on with a 200 kg toy truck. During the collision the magnitude of the truck's impulse was _____ the magnitude of the car's impulse and the magnitude of the truck's acceleration is _____ the magnitude of the car's acceleration.

Discuss the implications of changing resistor values within a series-parallel configuration.

A uniform box is rotating about its center of mass (point o). Its moment of inertia about its center of mass is 3.2 kg.m. What will be its angular acceleration if we apply a force of 56 N at the location shown below (counterclockwise is positive)

Consider the two vectors A4.3 3.9 5.5k and B4.314.7 k. Determine the magnitude of L the 2A B. Express your answer using one decimal place. Cevabnz 1 ondalk basamaa yuvarlayn.

A police car sounding a siren with a frequency of 1550 Hz is traveling at 130 km/h . What frequencies does an observer standing next to the road hear as the car approaches and as it recedes? What frequencies are heard in a car traveling at 90.0 km/hkm/h in the opposite direction before and after passing the police car? The police car passes a car

If in the process of rubbing the lenses of the eyeglasses, 6.28 10^10 electrons were transferred, Requirement a. what is the charge of the lenses and the nylon cloth? b. what is the change in their masses?

For each of the following temperatures, find the equivalent temperature on the indicated scale. (a) 255C on the Fahrenheit scale (b) 98.8F on the Celsius scale (c) 115 K on the Fahrenheit scale Submit Answer 2. 2 Points DETAILS SERCP11GE 10.P.003. The boiling point of ethyl alcohol is 351 K at atmospheric pressure. (a) What is this temperature on

A 4kg ball is placed at the origin of a 2dimensional coordinate system and a 6kg ball is placed on the xaxis at x 2 m. Where is the center of mass of the system of two balls 0 1

A 0.5750 kg chihuahua forgoes its water dish and approaches the toilet to quench its thirst. But the dogs owners have rigged up a detergent The device placed inside consists of a spring loaded (k 255.0Nm) claw of mass 252.0g. The device is armed by stretching the spring upward by 25.00 cm where a ratchet locks it in place. When the chihuahua

A uniform 3.7kg cylinder can rotate about an axis through its center at O. The forces applied are F 6.7 N, F 6.5 N, F3 5.0 N, and F4 3.2 N. Also, R 13.1 cm and R3 4.9 cm. Find the magnitude and direction ( counterclockwise clockwise) of the angular acceleration of the cylinder. F4 FL RI R3 F3 F2

Calculate the torque around the axis through P and perpendicular to the plane of the page as shown below, given that F 380 N, F 170 N, F3 340 N, F 90 N, F5 320 N, and F6 390 N 17 3.0 m 2.0 m 2.0 m F 4.0 m 2.0m 15m 2.0m P 3.0 m 15

How much force would it take to accelerate a 10kg ball at a rate of 2ms2. Just

two frictionless conducting rails (1 and 2) are attached to a 20.0 incline such that the inside edges are 80.0 cm apart. A copper bar with a mass of 0.262 kg slides (without friction) at a constant speed down the conducting rails. Sliding bar Conducting rails If there is a vertical magnetic field of 0.0456 T in magnitude in the region of the

This hypodermic syringe needs to eject medication at a flow speed of 12.2 m/s into the air, horizontally. (a) Let's assume that the area A of the barrel is 1000 times greater than the area A2 of the needle. What is the flow speed at A? (b) What is the pressure P? (c) Since the extra pressure (above atmospheric) at P is due to the external force F

Requirement : The switch in (Figure 1) has been open for a very long time. The switch is closed at t= 0s. Assume E = 190 V. 1.At t= 0 s, what is the current in the 60resistor? 2.At t= 0 s, what is the current in the 40resistor? 3.At t= 0 s, what is the current in the 10

Closes at t 0 s 3 ww 60 40 10 U 2.0 F ww Th

Two identical 10 V batteries are placed in two different circuits seen below. In the circuit drawn on the right there is a resistor with an unknown resistance. What should the resistance of this unknown resistor be to ensure that the total current leaving the battery in both circuits is the same 10 V O 4 Ohm 2 Ohm 01 Ohm R 2 Ohm 10 V EST R 1 Ohm

9. The magnitude of the energy forcing to the Earth's climate due to greenhouse gases is about the same (with a factor of two) as that due to natural variations in the brightness of the Sun. True False 10 Much less than 1%. The magnitude of the energy forcing to the Earth's climate due to greenhouse gases is about what fraction of the total energy

Can you find the moment of inertia of a disk rotating on its side (like the hoop above)? Unlike the hoop, O is not a good choice for variable of integration. Rather, break the disk up into a stack of rods spinning about their centers. (Or break it into a set of nested hoops.) It all begins with a good diagram. Extra: Can you figure out how to use

In the solenoid problem with 1.56 As, the induced current is going from right to left through the resistor. True False

In an inductor with L 340. mH the current rises from zero up to a maximum of Io 1.00 A in At 6.00 ms. (a) Find the magnitude of the induced emf. O 29.5 V O 50.4 V O 16.4 V O 56.7 V O 141 V O 72.5 V O 45.9 V O 41.4 V O 63.5 V (b) At the maximum current Io 1.00 A, how much energy is stored in the inductor O 170. MJ O 638 mJ O 59.5 mJ O 76.5 m) O

Current Attempt in Progress X When passing from a lower to a higher index of refraction, does the light bend toward the normal or away? What about when light goes in the opposite direction? Each part of the figure shows light that refracts through an interface between two materials. The incident ray (shown gray in the figure) consists of red and

Cloud identification & Atmospheric Stability 15. Identify the clouds labeled in the picture High clouds 6000 m A. B. C. D. E. Middle clouds 4000 m Low clouds 2000 m F A 900m 800m 700m 600m 500m 400m 300m 200m 100m Surface C Height 1000m(1km) D B Earth's surface In nature, air cools as it rises. If no heat is added to this process, it is called

Two blackbodies have temperatures of 10,000 K and 3,000 K respectively. (1a) Calculate the peak wavelength of emission for each body. Show your work. (1b) Create a single plot of Intensity versus Wavelength. Plot the blackbody radiation distribution for both bodies on the same graph. Carefully label the curves so that one can easily determine

Why do you get two different answers even though the stone starts with the same gravitational potential energy in both cases? Check all that apply. In part A the stone mas kinetic energy at the final maximum height. In part B the stone has kinetic energy at the final maximum height. In part c all the initial gravitational potential energy is

Why do you get two different answers even though the stone starts with the same gravitational potential energy in An elevator car is rising at a constant velocity. Consider the following statements. 1. The upward force of the cable is constant. II. The kinetic energy of the elevator is constant III. The gravitational potential energy of the

conductivity may be taken as 0.2 Wm. C., compute the temperature difference across the material. 7. A temperature difference of 85 C is impressed across a fibber glass layer of 130 mm thickness. The thermal conductivity of the fibber glass is 0.035 Wm. C... Compute the heat transferred through the material per hour per unit area. 8. The concrete