Physics-
General
Easy
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 :
- 2.2 × 103 N
- 3.2 × 103 N
- 4.2 × 103 N
- 5.2 × 103 N
The correct answer is: 5.2 × 103 N
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