an open car is moving on a road with a s...

an open car is moving on a road with a speed of `100 kmh ^(-1)` . A man sitting in the car fires a bullet from the gun in the oppositve direction. If the spedd of the bullet is `250kmh ^(-1)` relative to the car.then find its (bullt 's ) speed with respect to an observe on the ground.

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SL ARORA-MECHANICS-Exercise

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