a 30gm bullet initially travelling at 120m/sec penetrates 12cm into a wooden block . the average resistance exerted by the wooden block is ?
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a 30gm bullet initially travelling at 120m/sec penetrates 12cm into a wooden block . the average resistance exerted by the wooden block is ?
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30grams =0.030 kg
intial velocity =120m/s
Final velocity =0m/s
distance covered =12cm =0.12m
acceleration
Force applied by the Wooden block will be 1800newtons
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