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An obnoxious brat assigns his 0.0227-kilogram pet mouse Mickey the role of stunt mouse by stuffing him into a spring gun and shooting him up into the air at some angle. The gun's spring has a force constant of 83.5 N/m and is initially compressed 0.133 m. When Mickey reaches maximum height, he has a horizontal velocity with a speed of 2.29 m/s. How high above his initial location in the gun does Mickey soar? (In case you are worried, a miniature parachute opens at this point and Mickey lands safely. The brat is slightly less obnoxious than we thought.) Take g = 9.81 m/s2.
in a science fiction movie a 100 g base ball travelling with a speed of 60m/s and an electron travelling at a speed of 1.2*10^8 m/s are approaching each other for a head on collision, what is the momentum of the base ball
A 52g ice cube can slide without friction up and down a 26 degree slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 10cm . The spring constant is 23N/m. When the ice cube is released, what distance wil..
A 1.50 ? 103-kg car starts from rest and accelerates uniformly to 16.5 m/s in 12.4 s. Find the average power developed by the engine
A hang glider and its pilot have a total mass equal to 146 kg. While executing a 360° turn, the glider moves in a circle with a 9 m radius. What is the net force on the hang glider
A turntable 1.50{m} in diameter rotates at 80.0{rpm} . Two speakers, each giving off sound of wavelength 30.7{cm}, What is the greatest beat frequency the listener will receive from this system
One solenoid is centered inside another. The outer one has a length of 48.0cm and contains 6600 coils, What is the mutual inductance of these solenoids
You have a grindstone ( a disk) that is 80.0 kg, has a .349-m radius, and is turning at 104.0 rpm, Calculate the angular acceleration of the grindstone
A 0.70 Kg block is hung from and stretches a spring that is attached to the ceiling. A second block is attached to the first one, and the amount that the spring stretches from its unstrained lenght triples. What is the mass of the second block?
When the block just touches the spring, how much gravitational potential energy has it lost? Give your answer as a positive number. After the mass has fully compressed the spring, what is its total loss of gravitational potential energy? Give your an..
Two identical launchers fire projectiles with the same initial velocity. One launcher is 3.54m above the ground and fires horizontally. what is the intial velocity of the projectiles
explain the magnitude of the centripetal acceleration. At what two locations on the x-axis (xpositive, xnegative) is the potential zero.
Two identical small insulating balls are suspended by separate 0.256 m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.09E-4 kg. Initially the balls are uncharged and hang straight down.
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