Motion on Physics related Questions and Answers


Question :   A body of mass 500 gram is rotating in a vertical circle of radius 1 m. What is the difference in its kinetic energies at the top and the bottom of the circle?
1. 9.8 J
2. 19.8 J
3. 4.9 J
4. 2.8 J
Answer :   1 - 9.8 J  

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