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(i) Why is the motion of a body moving with a constant speed around a circular path said to be accelerated ?(ii) Name the unit of physical quantity obtained by the formula 2K/V 2 . Where K : kinetic energy, V : Linear velocity. |
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Answer» (i) In circular motion with constant speed linear velocity changes in terms of direction therefore it is accelerated motion. (ii) We know that kinetic energy K.E. = 1 /2mv2 2k/v2 ( 1/2 mV2)V2=m(mass) Physical quantity is 'mass'. |
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