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a car moving with a speed of 50 km/hr can be spotted by breaks after at least 6m.If the same car is moving with a speed of 100km/hr the minimum stopping distance is?
1. 24m
2. 6m

  • physics -

    "Spotted by breaks"? Don't you mean "stopped by brakes"?

    Stopping distance is proportional to V^2 if the deceleration rate is the same in both cases. That assumption is usually made. The stopping distance gets multiplied by 4 when the speed doubles.

    Choose the first answer.

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