Work, Energy and Power

Related Questions

• An inelastic ball is dropped from a height of 100 m. Due to earth, 20% of its energy is lost. To what height the ball will rise

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• A ball is released from the top of a tower. The ratio of work done by force of gravity in first, second and third second of the motion of the ball is

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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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• In an elastic collision of two particles the following is conserved

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• A smooth sphere of mass M moving with velocity u directly collides elastically with another sphere of mass m at rest. After collision their final velocities are V and v respectively. The value of v is

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