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

 New Problems reloads the page with new variable values in all questions. You must do this after grading the test to rework it another time. Make sure to enter your answers in the specified units .
 1
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?

 2
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?

 3
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?

 4
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?

 5
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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