Question

Thief's car is moving with a speed of 10 m/s. A 27
police van chasing this car with a speed of 5 m/s
sa bullet at the thief's car with muzzle
velocity 72 km/h. Find the speed with which the
bullet will hit the car :-
(1) 10 m/s (2) 20 m/s (3) 15 m/s (4) 25 m/s​

Answer 1

Answer:

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Explanation:

As the bullet was fired from a running vehicle, the velocity of the vehicle will add up in the bullet.

The relative speed of the bullet

= speed of bullet + speed of police van

=[(72x1000)/3600] + 5

=20+5

=25 m/s

So, the bullet will hit the car with the speed of 25m/s