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A machine gun is mounted on a 2000kg car...

A machine gun is mounted on a 2000kg car on a harizontal frictionless surface. At some instant the gun fires bullets of mass 10gm with a velocity of `500m/sec` with respect to the car. The number of bullets fired per second is ten. The average thrust on the system is

A

`0.025 m s^(-2)`

B

`0.25 m s^(-2)`

C

`0.5 m s^(-2)`

D

`500 m s^(-2)`

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The correct Answer is:
A
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