Question

A police van is moving at a speed 30 kmph fires a bullet at a thief car speeding away with 192 kmph. If the bullet speed is 150 metre per sec. The speed of the bullet while hitting the car is

Answer 1

The bullet can't hit the thief's car bcz net bullet speed =150+30=180
Nice questions

Answer 2

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Speed of the police van,

v(p) = 30 km/h = 8.33 m/s

Muzzle speed of the bullet,

v(b) = 150 m/s

Speed of the thief’s car,

v(t )= 192 km/h = 53.33 m/s

Since the bullet is fired from a moving van, its resultant speed can be obtained as: = 150 + 8.33 = 158.33 m/s

Since both the vehicles are moving in the same direction, the velocity with which the bullet hits the thief’s car can be obtained as: v(bt) = v(b) – v(t)= 158.33 – 53.33 = 105 m/s

I hope, this will help you

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