Work, Energy and Power

Related Questions

• A particle of mass m moving with horizontal speed 6 m/sec as shown in figure. If $m < < M$ then for one dimensional elastic collision, the speed of lighter particle after collision will be

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• A truck of mass 30,000kg moves up an inclined plane of slope 1 in 100 at a speed of 30 kmph. The power of the truck is (given $g = 10m{s^{ - 1}})$

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• A 10 H.P. motor pumps out water from a well of depth 20m and fills a water tank of volume 22380 litres at a height of 10m from the ground. the running time of the motor to fill the empty water tank is $(g = 10m{s^{ - 2}}$)

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• If a long spring is stretched by 0.02 m, its potential energy is U. If the spring is stretched by 0.1 m, then its potential energy will be

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• A spring 40 mm long is stretched by the application of a force. If 10 N force required to stretch the spring through 1 mm, then work done in stretching the spring through 40 mm is

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