Work, Energy and Power

Related Questions

• If a skater of weight 3 kg has initial speed 32 m/s and second one of weight 4 kg has 5 m/s. After collision, they have speed (couple) 5 m/s. Then the loss in K.E. is

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• The coefficient of restitution e for a perfectly inelastic collision is

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• An ice cream has a marked value of 700 kcal. How many kilowatt- hour of energy will it deliver to the body as it is digested

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• A body of mass 2 kg is projected vertically upwards with a velocity of $2\,m\,{\sec ^{ - 1}}$. The K.E. of the body just before striking the ground is

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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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