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A ball bearing is released from a height of 1m to a metal plate. Explain how you would determine the fractional loss in kinetic energy of the ball bearing after it hits the plate. What happens to the kinetic energy lost?
A practical design has to be done on this to do this experiment.
A 58 kg man is riding on a 50 kg cart traveling at a speed of 3.1 m/s. He jumps off with zero horizontal speedrelative to the ground. What is the resulting change in the cart's speed
Two light sources are utilized in a photoelectric experiment to decide the work function for a particular metal surface. When green light from a mercury lamp (λ = 546.1 nm) is utilized, a stopping potential of 0.930 V reduces the photocurrent to zero..
Certain neutron stars (extremely dense stars) are believed to be rotating at about 1000 rev/s. If such a star has a radius of 11 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation?
Find the average horizontal force exerted by the ground on the feet of a sprinter of mass 44.1 kg who accelerates from rest to a speed of 12.4 m/s in a time interval of 1.00 s
A skier of mass 61 kg ispulled up a slope by a motor-driven cable. What power must a motor have to perform this task
Compute the temperature at which a tungsten filament that has an emissivity of 0.35 and a surface area of 3.0 10-5 m2 will radiate energy at the rate of 15 W in a room where the temperature is 13°C.
A portable 3.5 kw wate heater is immersed for 3 minutes in a plastic filled with 20 kg of water at 20C. what will be the final temperature of the mixture given specific heat of water at 4186 j/gkC.
When monochromatic light shines perpendicularly on a soap film (n = 1.33) with air on each side, What is the vacuum wavelength of the light in nm
A gas is enclosed in a container fitted with a piston of cross-sectional area 0.150 m2. If the internal energy of the gas decreases by 6.40 J, find the amount of heat removed from the system by heat during the compression
an aluminum tray used for making ice cubes is filled with water and placed in a freezer at -19.8deg c. the emissivity
An air cyclone is used to separate solid particles having different masses. what is the centrifugal acceleration of the particles
A ball is being shot from a cannon that is on the ground. the basket is 100m away and is 10m off the ground. How long did this motion take
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