A bullet is fired from a gun. The force on the bullet is given by `F = 600 - 2 xx 10^(5)` t where F is in newton and't' is in second. The force on the bullet becomes zero as soon as it leaves the barrel. The average impulse imparted to the bullet is

Options

A. 9Ns
B. Zero
C. 0.9 Ns
D. 1.8Ns

Answer

C