(a) A stone is thrown upwards from a point A, as shown in the figure. After reaching the highest point B it comes down. Explain the transformation of energy from A to B and B to A and also mention the type of energy possessed by the stone at point A, B and C of its journey. B с Ground а A (b) A body of mass 20 kg is dropped from a height of 100 m. Find its K.E. and P.E. after (i) 1st second (ii) 2nd second (iii) 3rd second
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when the stone is at maximum height B kinetic energy is zero and it has maximum potential energy. when it comes down to position A the potential energy get converted into kinetic energy.
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