Solved: In 10.0 s, 200 bullets strike and embed themselves
Chapter 14, Problem 14.77(choose chapter or problem)
In 10.0 s, 200 bullets strike and embed themselves in a wall. The bullets strike the wall perpendicularly. Each bullet has a mass of 5.0 103 kg and a speed of 1200 m/s. (a) What is the average change in momentum per second for the bullets? (b) Determine the average force exerted on the wall. (c) Assuming the bullets are spread out over an area of 3.0 104 m2 , obtain the average pressure they exert on this region of the wall. *
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