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1. |
A bullet is fired from a gun. The force on the bullet is given by \[F=600-2\times {{10}^{5}}t\], where F is in newtons and t in seconds. The force on the bullet becomes zero as soon as it leaves the barrel. What is the average impulse imparted to the bullet [CBSE PMT 1998] |
A. | 9 Ns |
B. | Zero |
C. | 0.9 Ns |
D. | 1.8 Ns |
Answer» D. 1.8 Ns | |