Work, Energy and Power

Related Questions

• A 50kg man with 20kg load on his head climbs up 20 steps of 0.25m height each. The work done in climbing is

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• The block of mass M moving on the frictionless horizontal surface collides with the spring of spring constant K and compresses it by length L. The maximum momentum of the block after collision is

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• Two masses of 1kg and 16kg are moving with equal K.E. The ratio of magnitude of the linear momentum is

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• A car of mass 1000 kg accelerates uniformly from rest to a velocity of 54 km/hour in 5s. The average power of the engine during this period in watts is (neglect friction)

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• Two bodies of masses m and 4 m are moving with equal K.E. The ratio of their linear momentums is

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