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A .363kg mass slides on a frictionless floor with a speed of 1.24m/s. The mass strikes and compresses a spring with a force constantof 44.5 N/m.
a) How far does the mass travel after contacting the spring beforeit comes to rest?
b) how long does it take for the spring to stop the mass?
An electric field of 7.90 x10^5 V/m is desired between two parallel plates, each of area 41 cm2 and separated by 2.45 mm of air. What charge should be on each plate.
You are traveling on an airplane. The velocity of the plane with respect to the air is 130.0 m/s due east. What is the heading of the plane with respect to the ground
A train consists of 4300kg locomotive pulling two loaded boxcars. The first boxcar has a mass of 12,700 kg and the second 16,300 kg. with what force in newtons do the boxcars pull on each other
When a battery is connected to a 100-? resistor, the current is 4.00 A. When the same battery is connected to a 442-? resistor, Find the emf supplied by the battery
The root-mean-square speed (thermal speed) of the molecules of a gas is 200 m/s at a temperature 23.0°C.
A 0.420 kg ice puck, moving east with a speed of 3.12 m/s, has a head-on collision with a 0.890 kg puck initially at rest. Assuming a perfectly elastic collision, What is the speed of the heavier puck
You are riding a bicycle at 15.0 m/s toward a woman who is holdinga screaming baby. You note that you hear the scream at a perfect middle A (440 Hz) Find the actual frequency of the baby's scream.
The average distance of the planet Mercury from the sun is 0.39 times the average distance of the earth from the sun. How long is a year on Mercury in units of earth years
A concave shaving mirror has a radius of curvature of 37.8 cm. In the mirror, the image of a pimple on your face is magnified +6 times what it actually is on your cheek
An electron moves in a region where the magnetic field is uniform and has a magnitude of 80 mT. What is the speed of this electron as it moves in this region
Determine the maximum percent uncertainty it will produce in this experiment if we did not align the apparatus to minimize its effects
A rifel with a barrel length of 63cm fires a bullet with a horizontal speed of 380m/s. How long does it take for the bullet to come to rest after entering the wood
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