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


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