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A stone has initial potential and kinetic energy as 10 J and 5 J respectively if the final potential energy of the stone is 15 J what is its final kinetic energy?(a) 0(b) 5 J(c) 10 J(d) 15 J |
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Answer» Correct answer is (a) 0 For explanation: Law of conservation of energy, 10 + 5 = 15 + KE, => KE = 0. |
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