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MHT CET Physics question

PhysicsMotion in a Straight LineMHT CET

A vehicle moving with 15 km/hr comes to rest by covering 5 m distance by applying brakes. If the same vehicle moves at 45 km/hr, then by applying brakes, it will come to rest by covering a distance [MHT-CET 2019]

Answer: (C)

Solution

With the same retardation ; speed becomes 3 times, so

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Question ID VK-039563