The length of the second hand of a clock is 7 cm. Find the speed of the tip of the hand.
Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM
Answered by | 4th Jun, 2014, 03:23: PM
- A child rolls down a bowling ball of 6 kg down the alley without slipping at a linear speed of 5m/s. Considering the moment of inertia as 1.5 x 10-2 kg m2 and radius as 0.23 m. Find the total energy.
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- The speed of a flywheel changes from 120 rpm to 300 rpm. Calculate moment of inertia of flywheel. If an energy of 500 J is spent in increasing its speed.
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- What is the analogue for K.E. for rotational motion?
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- What is the relation between K.E. of a body and the moment of inertia when L is constant?
- Find the coefficient of friction of a solid cylinder which rolls without slipping down an inclined plane with .
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