Question

The average force necessary to stop a bullet of mass
20 g moving with a speed of 250 m/s, as it penetrates
into the wood for a distance of 12 cm is
a) 2.2 x 103 N
b) 3.2 x 103 N
c) 4.2 x 103 N
d) 5.2 x 103 N​

Answer 1

Answer:

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