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Physics Help >> Index to Physics Homework Help »Dynamics Quiz 1

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A -N net force is applied for s to a -kg box initially at rest. What is the speed of the box at the end of the interval?

A kg astronaut far pushes away from a kg asteroid. Both are free of interfering gravitational fields. If the astronaut accelerates at - m/s/s what is the acceleration of the asteroid?

A sled is pulled at constant velocity across a horizontal surface. If a force of N is being applied to the sled rope at an angle of º to the ground, what is the magnitude (in N) of the force of friction?

A g bullet traveling m/s penetrates cm into a wall before stopping. What is the average force (in N) of the wall on the bullet?

An airplane with a mass of kg pulls a glider with a mass of kg. The airplane's propellers provide a net force of N. What is the glider's acceleration in m/s/s?

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