fires a bullet at a thief s car speeding away in the same direction with a speed of 
. If the muzzle speed of the bullet is 
, with what speed does the bullet hit the thief s car ?
Answer:
Speed of police van,
Speed of bullet,
Speed of the police van is shared by the bullet.
Relative speed of bullet w.r.t. ground
Speed of thief?s car,
Relative speed of bullet w.r.t. thief's car
.
Hence the speed of the bullet with which it hits the thief?s car .
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