Force on bullet is F = 600 - 2 * 10^-5t, where F is the force in newron and t in second. when force in bullet is zero then impulse is:

1. 0.9 N.s
2. 4.9 N.s
3. 1.8 N.s
4. None

I want the complete solution to this question

Dear arpan,

Its quite an obvious question.The correct answer is c)1.8 Ns

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Sagar Singh

B.Tech IIT Delhi