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A 0.10-kg cart traveling in the positive x direction at 10.0 m/s collides with a 0.30-kg cart at rest. The collision is elastic. What is the velocity of the 0.10-kg cart after the collision?
A 33.0 g bullet moving at 434 m/s strikes a 5.0 kg bag of flour that is on ice, at rest. The bullet passes through the bag, leaving at 295 m/s. How fast is the bag moving while the bullet exits.
A player uses a hockey stick to increase the speed of a 0.200 kg hockey puck by 6m/s in 2 seconds. how much force was exerted on puck? how much on the stick.
A parallel-plate capacitor has an area of 2.0cm^2, and the plates are separated by 2mm.
An iron rod is heated by a welder's torch. Initially it glows a dull red, then a brighter orange, and finally very bright white. Discuss this sequence in terms of black-body radiation.
A 1.00 kg soccer ball is kicked down field at 5 m/s by a Bob on Team A. Tom, a member of Team B, runs up and kicks the ball so that it is traveling at 15 m/s, what is the impulse acting on the ball
A 1400kg sports car accelerates from rest to 90m/s in 26.9s . How much work is done on the car by the engine, What is the average power delivered by the engine
An underwater diver sees the sun 55 degrees above horizontal. How high is sun above the horizon to a fisherman in a boat above the diver.
A coin placed on a turntable rotating at 40.0 rev/min will stay there if its center is placed no further than 8.5 cm from the axis of rotation, What is the coefficient of friction between the coin and turntable
The wave function for a wave on a taut string is given by y(x,t)=(0.350m) sin (10pi(t)-3pi(x)+pi/4), What is the energy contained in each cycle
David is driving a steady 21.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.80 m/s^2 at the instant when David passes.
If a metric ton is 1 x10^3 kg, how many 88 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton.
A sound source emits sounds of frequency 210Hz that travel by still air at 340m/s. The listener moves at 75 m/s relative to still air toward the stationary source. What is wavelength of the sound between the source and the listener.
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