Work, Energy and Power

Related Questions

• A particle falls from a height h upon a fixed horizontal plane and rebounds. If e is the coefficient of restitution, the total distance travelled before rebounding has stopped is

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• Which of the following is not an example of perfectly inelastic collision

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• Two bodies having same mass 40 kg are moving in opposite directions, one with a velocity of 10$m/s$ and the other with $7m/s.$ If they collide and move as one body, the velocity of the combination is

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• A force applied by an engine of a train of mass $2.05 \times {10^6}kg$ changes its velocity from $5m/s$ to 25$m/s$ in $5$ minutes. The power of the engine is

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• The force constant of a wire is k and that of another wire is $2k.$ When both the wires are stretched through same distance, then the work done

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