Question

A bullet is projected vertically downwards with initial velocity 100 m/s from a tower. It reaches on ground after 10 sec. bullet sticks to the ground after collision. Choose correct option for graph between velocity and time for first 20 sec. of motion of bullet.

Answer 1

Correct option is (1)

Av = u + at

⇒ V = - 100 - 10t

which is a straight line with negative slope and negative intercept.