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A police van moving on a highway with a ...

A police van moving on a highway with a speed of `30 km h^-1` fires a bullet at a thiefs car speeding away in the same direction with a speed of `192 km h^-1`. If the muzzle speed of the bullet is `150 m s^-1` with what speed does the bullet hit the thiefs car ? (Note: Obtain that speed which is relevant for damaging the thief s car).

A

10 m/sec

B

115m/sec

C

105 m/sec

D

15 m/sec

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