Question

A police jeep is chasing a thief with velocity of 45
km hr who is moving in another jeep moving with
velocity 153 km hr1 Police fires a bullet with
muzzle velocity of 180 ms-1. The velocity with
which the bullet appears to strike the jeep of the
thief, to the thief is
(1) 150 ms-1
(2) 27 ms-1
(3) 450 ms-1
(4) 250 ms-1​

Answer 1

Answer:

150m/s

Explanation:

Effective velocity of bullet = 180m/s +45 ×5/18 m/s

=192.5m/s

velocity of bullet w.r.t thief jeep= 192.5m/s - 153×5/18 m/s = ( 192.5 - 42.5) m/s = 150 m/s.