A solid sphere of diameter 0.1m and mass 5kg is rolling down an inclined plane with a speed of 4m/s.the total kinetic energy of the sphere is
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Explanation:
Total kinetic energy =
K. E rotational +K. E linear
Total K. E =1/2mv^2 +1/5mv^2
= 1/2*5*4^2 +1/5*5*4^2
= 1/2*5*16 +1/5*5*16
= 40+16
=56 J
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