Physics Questions and Answers November 28, 2022

Every year over 10 5 km 2 of forest area is lost to human activity. This is about one-seventh the area of Texas . If our planet has 19.4 x 10 6 km 2 of forest area, how long will it take to lose it all? Hint : divide the total forest area by the given rate of deforestation.

When a pendulum with a period of 2.00000 s is moved to a new location from one where the acceleration due to gravity was 9.80 m/s 2 , its new period becomes 1.99866 s. By how much does the acceleration due to gravity differ at its new location?

A 0.34 kg mass is attached to the end of a spring and set into oscillation on a horizontal frictionless surface by releasing it from a compressed position. The record of time is started when the oscillating mass passes through the equilibrium position and the position of the mass at any time is shown in the drawing. x (m) 0.4 0.2 0.2 0.4 Determine

A horizontal spring is attached to a wall at one end and a mass at the other. The mass rests on a frictionless surface. You pull the mass, stretching the spring beyond the equilibrium position a distance A, and release it from rest. The mass then begins to oscillate in simple harmonic motion with amplitude A. During one period, the mass spends

As shown in the figure below, a uniform beam is supported by a cable at one end and the force of friction at the other end. The cable makes an angle of = 30, the length of the beam is L = 1.50 m, the coefficient of static friction between the wall and the beam is s = 0.600, and the weight of the beam is represented by w . Determine the minimum

A 2w B

As a torque activity, your Physics TA sets up the arrangement shown below. A uniform rod of mass m, 123 g and length L 100.0 cm is attached to the wall with a pin as shown. Cords are attached to the rod at the r 10.0 cm and r2 90.0 cm mark, passed over pulleys, and masses of m 266 g and m 147 g are attached. Your TA asks you to determine the

A vertical spring-mass system undergoes damped oscillations due to air resistance. The spring constant is 2.65 10 4 N/m and the mass at the end of the spring is 11.2 kg. (a) If the damping coefficient is b = 4.50 N s/m, what is the frequency of the oscillator? (b) Determine the fractional decrease in the amplitude of the oscillation after 6

A child bounces in a harness suspended from a door frame by three elastic bands. (a) If each elastic band stretches0.230mwhile supporting a5.75-kgchild, what is the force constant for each elastic band? Answer in N/m. (b) What is the time for one complete bounce of this child? Answer in s. (c) What is the child's maximum velocity if the amplitude

The Great Pacific Garbage Patch is an area of plastic waste twice the size of Texas in the Pacific Ocean. It is estimated there are 1.8 x 10 12 pieces of plastic in this patch. If the world's population is 8 x 10 9 , how many pieces of plastic are there per person? Hint : divide the total pieces of plastic by the number of people.

In the planetary gear system shown, gear 2 is connected to the input shaft. If arm A is con nected to the output shaft, what speed reduc tion can be obtained What is the sense of rotation of the output shaft What changes could be made in the train to produce the op posite sense of rotation for the output shaft N20, N 16, N3 28, N5 108. T A 19

. What is Quantum realm ? Does a sinking (dying) black hole's core assumes some kind of sub atomic stage so that the atoms there can enter quantum realm?

A solid cylinder is mounted above the ground with its axis of rotation oriented horizontally. A rope is wound around the cylinder and its free end is attached to a block of mass 70.5 kg that rests on a platform. The cylinder has a mass of 195 kg and a radius of 0.430 m. Assume that the cylinder can rotate about its axis without any friction and

One end of a spring with a force constant of k 10.0 Nm is attached to the end of a long horizontal frictionless track and the other end is attached to a mass m 2.20 kg which glides along the track. After you establish the equilibrium position of the massspring system, you move the mass in the negative direction (to the left), compressing the

A tall, open container is full of glycerine. At what depth h below the surface of the glycerine is the pressure 2230 Pa greater than atmospheric pressure The density of glycerine is 1.26 x 10 kgm. h

Find the magnitude and the direction of the magnetic flux density B at the point P in the diagram below. The current in the connected straight wires is a constant 70 A. The angle between each consecutive wire is 90. The length L of each straight wire is 3 cm and all the wires and the point P are in the same plane. P is midway between the two

A. Water has an angle of contact equal to 118 with a certain type of plastic. The surface tension of water (with itself) is 0.07 Nm. What is the adhesive surface tension between water and this plastic Give your answer in units of Nm. B. When drops of water are placed on a surface made of this type of plastic, do the drops bead up (like on wax), or

Rising air is considered to be unstable if it is: A. warmer than the surrounding air. B. cooler than the surrounding air. C. the same temperature as the surrounding air. D. cooling at the dry adiabatic lapse rate (DALR).

When an unmanned aircraft is subjected to an increased load factor such as during steep turns, the aircraft will always: a. Stall at a higher speed b. Have a tendency to spin c. Return to level d. flight altitude

A spring has a normal length equal to 15 in. and the constant for it is 4 lb per in. One end of the spring is attached to a stationary support, and the other end of the spring is attached to a movable block which can only travel along a straight horizontal path. After the block has been moved so that the length of the spring was reduced to 10 in.,

Solar radiation storms occur when large quantities of accelerated particles impact the Earth. These particles are A. Space dust B. Near-Earth Satellites C. Neurons and protons D. Protons and electrons

A truck with a velocity of 35 mph is traveling along a horizontal stretch of highway. If the total weight of the truck and its contents is 8400 lb, the magnitude of the linear momentum of the truck is A. 18,300 lb-sec. B. 9150 lb-sec. C. 11,250 lb-sec. D. 13,390 lb-sec.

A 50 kg skier starts from rest at the top of a 60-meter high practice slope. She uses her poles to propel her forward, doing 12000 joules of positive work until she gets to the bottom of the hill. Determine kinetic energy

At what speed do tectonic plates move, and what moves them? a. Several feet per year, due to friction. b. Several meters per year, due to ocean currents. c. Several meters per year, moved by gravity. d. About the rate of fingernail growth, moved by the planet's internal heat.

An unknown sample contains two radioisotopes, P and Q. Initially at t 0s, both radioisotopes have the same activity, A.. The halflife of P is Tp. The halflife of Q is twice of P. (a) In the same graph of activity versus time from t 0s, sketch the curve with label representing both radioisotopes. (b) At t 0s, which radioisotopes show higher

Consider a silver atom in a SternGerlach beam splitter that distinguishes between S, 2 and S 2. This atom is immersed in an inhomogeneous magnetic field with B x (Bdx), dBax being constant. The atom evolves in time subject to the Hamiltonian KS x (i) Hypothetically, if a state exists which is a common eigenstate lel dBx m dx xx, px. ()x)xx,

1. If you eat 750 calories of food and then run up several steps of stairs to work off the energy you taken in. How high do you climb if your mass is about 55kg Assume 80 efficiency in the conversion of food energy into mechanical work. 2. A computer CPU chip is heated from 15C to 70C as computer is turned on. How much energy did the heating

Mrs. Monson pulls a 13 kg sled full of cupcakes across a level ground with a light (massless) rope that makes an angle of 25 above the horizontal. The tension in the rope is 15 N. What is the force on the sled from the ground

1. A car of mass 300 kg and speed 20 m / s collides head-on with another car that is initially at rest and has a mass of 650 kg . The collision is inelastic so that the two cars move jointly with the same speed after the collision. What is the magnitude of the total momentum (that is, the sum of the individual momenta) of the two cars right after

Part of a circuit is drawn below. There are two junctions, A B, which independently connect three wires together. Based on the information shown in this problem what is the current in the lower right segment of wire connected to junction B See the diagram below. 5 A 2 A 3 A A B 0 Amps 2 Amps to the left 4 Amps to the right Not enough information

5. A soap lamella (flat film) is generated in a tube of internal radius R as shown in the figure. Assume that the tube is covered inside by a film of thickness h and lamella has the same thickness h just after its generation. Will this lamella stay in equilibrium with the coating film or will it break Use the Laplace law to answer the question. C

Assume that pore network in a gas condenser is made of spherical cavities and hollow cylindrical links, see a onedimensional schematic of this pore network below. Find a relation between cavity radius R and link radius r when a film of condensed gas will coexists in equilibrium with its vapor.

The velocity ratio of a chain drive is 10. The diameter of the input sheave is 38 cm and it is rotating at a speed of 22 rads. Find the diameter of the output sheave and its angular velocity.

Describe how the triboelectric series relates to objects in the environment around us and why they often have surface charges on them. Please include a discussion about objects that are NOT generally in contact with other objects.

The force that causes wind to flow from areas of higher pressure to areas of lower pressure is called a. Pressure Gradient Force (PGF) b. Pressure Variation Force (PVF) c. Presure Deviation Force (PDF) d. Coriolis Gradient Force (CGF)

Find your climb gradient for a 2,000ft pressure altitude with a temperature of 10C and an aircraft that weighs 2,500lbs. a. 698 ft/NM b. 733 ft/NM c. 767 ft/NM d. 507 ft/NM

A barrier wave is produced when a wave source moves A. slower than the waves that the medium allows. B. at the same speed as the waves that the medium allows. C. faster than the waves that the medium allows.

2) Consider the situation depicted in Figure 2 A box of mass m 250 kg slides down a frictionless rollercoaster. If at the beginning of the slide the box has an energy of E, 100 J and a velocity of v 0, determine a) the initial height, h, of the box. Also, determine the velocities b) V8 and c) ve of the box. (Note The initial energy of the

Once a planetesimal is large enough, it grows by a. passing close to its star or protostar. b. generating new mass within itself. c. attracting more material through gravitation. d. heating up and sticking to encountered material. e. electric charges attracting other charged material.

one of the most important types of vector fields in physics and engineering is the electric field E. If we place an electric charge at the point o (xo, yo, zo) in space, it generates a vector force field E(x, y, z) given by (x, y, z) q xxo in the sense E VU. x 220 y Yo xxox 13 where q is the electric charge, and so is a constant representing the

Many searches for extraterrestrial communication signals focus on a region of the electromagnetic spectrum in radio wavelengths between 18 cm and 21 cm , a region where our Galaxy's various components collectively emit the most weakly. Let's explore why even this small region of the spectrum is hard to explore. Radio emission has low energy and is

A vector field F is termed conservative because it conserves the total energy of a mass m in motion within this field. The total energy is defined as EKUm vU where K represents kinetic energy, and U is the potential energy associated with F. a) Consider a scenario in which a mass m is following a smooth curve y(t) within a domain with a

4) In order to determine the moment of inertia I of a rotating platform, a string is wrapped around a spool of radius 2.0 cm beneath the platform. The string is then fed over a pulley with a hanging mass attached to its end as shown in the diagram below. The hanging mass is then released from rest, and its linear acceleration is measured.,m

What is so unique about the mirrors of very large telescopes such as the Keck Observatory and the GTA telescope on the Canary Islands.? a. The mirrors are made of a newly designed metallic material. b. The mirrors can fold up when not in use. c. The mirrors are inexpensive. d. The mirrors are segmented. e. The mirrors are thin.

a) Starting from the top at rest, what is the maximum speed you expect at the bottom, assuming an icy surface with virtually no friction b) You take your sled and go down the hill and your friend measures the speed at the bottom. The slope is full of fresh snow and not very icy, so the speed is less than you expected, only v of 12 ms. How much

You are kayaking on a river that, at one point, flows with a velocity of 1.15 ms when the rivers crosssection is 17.5 m wide and 6.79 m deep. If the rivers depth remains the same at a point further down the river, but the width narrows to 5.21 m, what is the rivers new speed at this new point, in ms

A 4.8mlong column is made of aluminum alloy 2014T6. If it is fixed at its top and bottom, and a compressive load P is applied at point A, determine the maximum allowable magnitude of P using the equations and the interaction formula with (ob) allow 140 MPa. 106 mm) X 12 mm 2001 200 mm A P x 200 mm 12 mm 12 mm

If gear A rotates with a constant angular acceleration of 90 rads, starting from rest, determine the time required for gear D to attain an angular velocity of 600 rpm. Gears A, B, C, and D have radii of 15 mm, 50 mm, 25 mm, and 75 mm, respectively.

vector A, vector B, and the resultant vector in the table below. Enter positive values for components directed North and East. Enter negative values for components directed West and South. Vector A Vector B Resultant Horizontal Component m Vertical Component m What is the magnitude of the resultant vector m What is the direction of the resultant

A 4.00kg block rests between the floor and a 3.00kg block as shown in the figure. The 3.00kg block is tied to a wall by a horizontal rope. If the coefficient of static friction is 0.600 between each pair of surfaces in contact, what horizontal force F must be applied to the 4.00kg block to make it move (g9.8 ms) Coefficient of static friction

A Hookes spring (k 20 Nm) hangs from a ceiling at rest. A 400 g mass is then hooked onto the lowest end of the spring (position A) and then allowed to drop. (use g 10.0 for this question only, and assume no friction) a) What will be the new equilibrium position (position B) of the mass b) What will be the maximum extension (position C) of the

50 49 The Indium isotope 120 In decays through 8decay to 20 Sn. How much energy is released during this decay The atomic masses are M(120In) 119.907970u 49 M(30 Sn) 119.902203u 50 and in case you need it, the electron mass is 511.0 keVc. 4.86 MeV O 4.35 MeV O 5.37 MeV O 5.88 Mev,184 A tungsten target 4W is bombarded with aparticles and protons

An isotropic light source has an intensity of 250 cd. Located 3 m away is an object whose surface has a reflectance of 0.35. Calculate (a) the total luminous flux emanating from the light source, (b) the illuminance of the surface of the object, and (c) the luminance emit ted by the reflected light.

In a purely inductive AC circuit as shown in the figure, AV 100 V. max AVmax sin 27 ft e L ele (a) The maximum current is 7.80 A at 66.0 Hz. Calculate the inductance L. mH (b) At what angular frequency w is the maximum current 2.10 A rads

A trapeze artist performs an aerial maneuver. While in a tucked position, as shown in Figure A, she rotates about her center of mass at a rate of 5.79 rad/s. Her rotational inertia about this axis is 18.5 kgm 2 . A short time later the aerialist is in the straight position, as shown in Figure B. If the rotational inertia about her center of mass

Number Figure A rpm Figure B

Determine the frequency at which maximum power is transferred from the amplifier to the speaker in Figure Q19 (a). The amplifier and coupling capacitor are the source, and the speaker is the load, as shown in the equivalent circuit of Figure Q19 (b). Vino (a) Amplifier HH Coupling capacitor Speaker (b) Vs Figure Q19 Amplifier 2 R, www 8 C 0.1 F

An asteroid lands on Earth with a mysterious material inside. You transfer heat Q to it, and its temperature increases from Ti to Tf. During this measurement its volume changes by V = 0, and its pressure changes by p = 0. A. What is its heat capacity?

when cracks form at the base of dam, the water seeping into the cracks exert a bouyant force that tends to lift the dam. As a result, the dam can topple water is seeping into the cracks at the base of a 1.8-m-thick by 4.6-m-long dam wall. The water level in the lake is 4.7 m above the cracks. What is the buoyant force "B" exerted on the wall by

Two friends, Penelope (23.0 kg) and Zora (25.0kg), are throwing snowballs at each other on a snowy day. Zora stands on a patch of icy, frozen ground where friction is negligible. Penelope stands on a section of ground that is not slippery at all. (a) Penelope throws a snowball with a mass of 910g and a speed of 12.0ms at Zora, who then catches it.

If your camera is taking a long time to process between pictures, what can you do to speed up the process? a. Choose a lower compression setting. b. Choose a higher compression setting. c. Choose a higher resolution setting. d. Choose a lower resolution setting.

What is the ratio of the rotational inertia to the translational inertia of an r 0.550 m solid sphere,A flywheel is a mechanical device used in a variety of applications to store energy or stabilize motion. Typical flywheels are essentially cylinders mounted on an axle. A solid, cylindrical flywheel has a mass of m 2.40 kg and a radius of r

Suppose a 1.0 10 kg trash can has the same momentum as a 13000 kg garbage truck moving at 7 ms. Which equation would be most useful for finding the velocity of the trash can PV NKT O p mv O Fnet OP Ap At W At

Calculate the wave velocity C with the following equation for a deep-water wave. Both g and are constants. C=gT/2 which simplifies to C=1.56T The following information may be useful: the wavelength is 300 meters, the wave period is 13.9 seconds.

According to Coulomb's Law, if the distance between the two electrons were cut in half, the force would be _____. a. one-fourth as much b. one-half as much c. four times as much d. two times as much

Considering the many disturbing forces that generate waves and wave interference, the best way for scientists to study waves is: a. to study them in the eye of tropical cyclones where there is no wind b. to study them in wave tanks where wave interference is minimal c. to study them in the tropics where the wind is relatively infrequent d. to

What will be the rate of his energy expenditure?

An athlete weighing 88 Kg is exercising on a cycle ergometer at 134 of his Vo max. His Vo max is 5.2 Lmin and the energy equivalent of O is 4.72 KcalL.

You drop 3.0 g of liquid lead at its melting point (327C) into 125 g of water at 15C. The final temperature is 15.4C, what is the lead's specific latent heat of fusion (clead = 130 J/kg C)?

A Continental polar air mass is moving to the south, displacing in its way a Maritime tropical air mass. In the area where the two air masses meet: A. a stationary front is formed B. a warm front is formed C. a cold front is formed D. an occluded front is formed

What does the term "advance" mean in reference to the motion of mercury? A. That Mercury moves on the elliptical orbit. B. That Mercury moves around the earth. C. That Mercury's perihelion point moves during each orbit of Mercury. D. That Mercury orbits the sun with constant speed E. That Mercury rotates around the earth.

The statement "The effects due to acceleration, on the one hand, and the effects due to gravity on the other are indistinguishable" refers to: A. Principle of special relativity B. Principle of simultaneity C. Principle of equivalence D. Principle of covariance E. Principle of mass action

Two springs, each of natural length 30 cm and elastic constant 50 N, carry a mass of 12 gm at the point where they are joined. The other ends are fixed to points in the same vertical line 61 cm apart. The mass is pulled down until the lower spring is unstretched and then released. Find the amplitude and period of the subsequent oscillation.

The time dependent voltage AV AVmax sin wt with AVmax 2.55 V and frequency f 1.65 Hz drives the current in the AC circuit illustrated in the simulation. The resistance is R 2.20 2. Find the rms current. A

Processors like the Qualcomm Snapdragon 888 and Apple's M1 Pro chips use 5-nanometer transistor technology. How does this modern transistor compare to DNA width (3 10-9 meters) in orders of magnitude? a. They are now same order of magnitude b. Transistor is now one order of magnitude larger than DNA c. The transistor is now two orders of

Galaxy 1 has a recessional velocity of 30,000km/s, galaxy 2 has a recessional velocity of 10,000km/s, and galaxy 3 has a recessional velocity of 35,000km/s. Order the galaxies from closest to furthest from earth. Explain in detail.

An aircraft wing has a lift coefficient of 0.5 at an SSL flight condition. If the wing area is 10 m2 and the flight velocity is 50 ms, a. What is the lift generated by the wing in N b. Assuming dynamicallysimilar flow, what is the lift in N generated by a 110scale windtunnel model of this wing being tested at standard sealevel conditions at a

A basketball player is holding a ball in her hands at a height of 1.5 m above the ground. She drops the ball, and it bounces several times. After the first bounce, the ball only returns to a height of 0.75 m. After the second bounce, the ball only returns to a height of 0.25 m. a. Suppose downward is the positive direction. What would the shape of

A car is traveling at 10.0 m/s toward a brick wall. The wall is 100m away, and the car reaches the wall in 3 sec. Calculate the acceleration of the car and the speed the car is going when it strikes the wall.

Why is the existence of loading coils on local loop lines bad for ADSL? a. digital signals cannot transit across a loading coil b. loading coils act as antennas that collect ambient RFI thus causing severe pulse distortion c. loading coils are not detrimental to digital signals d. loading coils in combination with naturally occurring capacitance

If gas emissions from the lava dome cease the reason could be that a. lava is now filling all voids, there is no more space for gas b. magma has receded, the dome collapsed, eruption is imminent c. the dome is sealed due to cooled magma, gas pressure is building, and eruption is imminent d. lava has receded, the lava chamber collapsed and a

Three alternative steam cycles illustrated in the figures are proposed for a nuclear power station capable of producing either saturated steam or superheated steam at a temperature of 290 C. The condensing steam temperature is 30 C. (Note the figures indicate different temperatures please disregard those values) 1. Assuming ideal machinery,

Determine the heat transfer coefficient. Estimate the power in Watts required to maintain the cylinder temperature.

A heated cylinder, 2.5 inch long and 0.5 inch in diameter, is exposed to an air stream in cross flow arrangement having air speed of 10.5 msec. If the cylinder surface temperature is 50 C and the air temperature is 22 C, estimate the power required to maintain the cylinder temperature. Assume the atmospheric pressure is 14.6 Psia.

7 (i) An AISI 1076 alloy heated to 1200C in an inert atmosphere such that the composition of the alloy at the center remains unchanged. If the alloy subjected to (a) slow cooling (in air) and (b) rapid cooling (quenching in liquid bath) from 1200C to 20C what would the final microstructure and mechanical property at the surface and the center of

Estimate the power of a 3.01 4stroke engine running at and FAstoich 0.068). Assume ne, ind 0.35, nmech 0.95, 1.0, nvol0.85. 6000rpm burning gasoline fuel (QLV 44,000 kJkgfuel

Consider a Carnot steam engine that involves saturated water vapor at 50 C and saturated liquid water at 200 C. (a) Draw this process in Ts diagram. Include the saturation lines. 2 Pts (b) What are the temperatures of the hot and cold reservoirs 1 Pt (c) How much specific heat goes into water during the isothermal expansion 1 Pt (d) How much

A 600 mm diameter pulley driven by a horizontal belt transmits power through a solid shaft to a 262 mm diameter pinion which drives a mating gear. Determine the necessary shaft diameter (Assume Kb 2 Kt 1.5) considering allowable shear stress 62.5 Mpa a) Calculate the reaction forces. b) Draw bending moment shear force diagram. c) Calculate the

An electron with an energy of 15 eV impinges on a barrier 25 eV in height. (a) Determine theprobability of the electron tunneling through the barrier if the barrier is 1.20 nm thick. (b) What will be the probability that the electron will tunnel through the barrier if its it is 0.120 nm thick?

Dr. Gordon stands on a swinging pirate ship amusement park ride. At the bottom of the pirate ship's swing Dr. Gordon experiences a normal force of 1.50 10 3 N and stands 8.00 m below the pivot point of the swinging pirate ship. V = ? h = 8.00 m,

A block of mass m 15 kg moving with a speed of v 21ms collides with a second block of mass m 16 kg that is at rest. After the collision the two blocks are observed to move together with a common speed. Find the magnitude of the impulse given to m2 in units of kgms and round your answer to one decimal place.

To achieve total constructive interference, a. two individual waves must combine at their minimum intensities. b. it does not matter at which intensities they combine, as long as they combine. c. two individual waves must combine at their maximum intensities. d. only light waves can be used.

The bending of light that occurs when it enters and passes through a substance of different density is called: a) diffraction b) reflection c) scattering d) refraction

Buys-Ballot's law states that, "In the Northern Hemisphere if you stand with your back to the surface wind, then turn clockwise about 30, lower pressure will be _____." a) behind you b) in front of you c) to your left d) to your right

A common belief is that a hole in a jet plane can suck a person out. On an episode of a popular TV series, the hosts attempted to determine whether this is possible. According to the hosts experiment, such an event cannot happen. Did they need to perform the experiment As a science adviser to the show, the hosts ask you to perform a crude

Newton's first law of motion says that planets continue to move in a straight line in the same direction until an outside force acts on them. Newton's law of universal gravitation says that planets are attracted to the sun by gravity. To obey both laws, the planets ___________. a. spin on their axis b. move in a straight line c. move in a

A crane drops a 1.0-kg steel ball onto a steel plate. The ball's speed just before impact is 2.0 m/s. If the average impact force is 300 N, and the ball is in contact with the plate for 0.01 seconds, what is the bounce back speed right after the impact?

You recently earned your Private Pilot certificate. You have 75 hours of flight time, and 12 hours of cross-country experience. You start instrument training in the following semester after completing your Private Pilot certificate but have not flown a cross-country flight for a couple of months. Plane : After completing your flight training in a

Find an article relating to the effects of benzodiazepines when mixed with alcohol - OR- an article that details the FDA's approval process for approving prescription or OTC drugs.

1. Name of Article and newspaper or magazine from which the article was taken along with the year, month (and date if appropriate) article was published. 2. Synopsis of the article and what they found relevant about it as it relates to the topic (s) being covered in the week the article is presented. ( 3. What value did they get out of the topic

A person drops a verticallyoriented, cylindrical steel bar from a height of 2.20 m (measured from the floor to the bottom of the bar). The bar has length L 0.98 m, radius R 0.60 cm, mass m 1.90 kg, and Youngs modulus Y 2.00 x 10 Pa. The bar hits the floor and bounces back up, maintaining its vertical orientation. Use the gravitational

Write in detail, whether you agree/disagree also add more to the discussion

I used the article Dangers of Mixing Alcohol and Benzos from Eleanor Health, medically reviewed by Nzinga Harrison, MD on August 11, 2021. Benzodiazephines is an sedative used to treat stress, anxiety, insomnia, and acute alcohol withdrawal. They are one of the most prescribed medications in the United States. Many people know of a Benzo but refer

When the Pressure Gradient Force is balanced by the Coriolis Force AND the Centripetal Force, what type of wind would you most likely have? a. Gradient Wind b. Geostrophic c. Wind Surface d. Wind Boundary Layer Wind

Use the force diagrams below to write a net force equation of an object that is moving at a constant velocity. Then determine the magnitude of the missing force. 1. 2. F Fk Fr 4.0 N 4.0 kg 3. Fr2N FA 7 N F II. Draw a force diagram, write net force equations, and determine the value of the missing force. 4. A 4.0 N box is slid across the floor at

A soccer ball of mass 430 g is rolling at 10 m/s to the left, parallel to the goal line. A player wants to kick the ball to change its velocity to be 20 m/s forward, towards the goal. What is the magnitude and direction of the impulse that the player's kick must give to the ball? If the player's foot is in contact with the ball for 0.06s, what is