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Find the speed of a stone which possess kinetic energy of 20J and a mass of 200 g |
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Answer» tion:Let V be the VELOCITY of OBJECT Mass of object , m=100 g=0.1 kgKinetic ENERGY of object =20 J⟹ 21 ×0.1v 2 =20⟹v 2 =400⟹v=20 m/s |
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