Physics 163

Unit 4: Momentum and Collisions

Problem Set A

 

Problem 7:

Lee Mealone, a hermit, pushes a 14090 gram boulder into the wall of his cave at a speed of 3.7 m/s, the boulder is brought to a stop in 1.4 seconds. What was the magnitude of the average force in Newtons of the boulder on the wall? (No + or - signs.)

 

 

 

 

Momentum and collision principles can be reviewed on the Set A Overview page.

Further information about the impulse-momentum change equation is available online at The Physics Classroom.  

 

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