JEE Main Work Energy and Power questions
3 Physics questions on Work Energy and Power as asked in JEE Main, newest first. 2 come with a worked solution.
- A stone is projected at angle 30° to the horizontal. The ratio of kinetic energy of the stone at point of projection to its kinetic energy at the highest point of flight will be -
2023 · with solution
- A body of mass 1kg begins to move under the action of a time dependent force F = (i + 3t^2j) N, where i and j are the unit vectors along x and y axis. The power developed by above force, at the time t = 2s, will be…
2023
- A 0.4 kg mass takes 8s to reach ground when dropped from a certain height 'P' above surface of earth. The loss of potential energy in the last second of fall is _________ J. (Take g = 10 m/s²)
2023 · with solution
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