Home Physics Work, Energy, Power and Collision Energy An unloaded bus and a loaded bus are both mo…
Physics Work, Energy, Power and Collision Energy MCQ (Single Correct)

An unloaded bus and a loaded bus are both moving with the same kinetic energy. The mass of the latter is twice that of the former. Brakes are applied to both, so as to exert equal retarding force. If and be the distance covered by the two buses respectively before coming to a stop, then

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The correct answer is:
A

: If the vehicle stops by retarding force then the ratio of stopping distance .

But in the given problem kinetic energy of bus and car are given same i.e. E 1 = E 2 . ∴ ∴ x 1 = x 2 .

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