A flywheel rotates with a uniform speed of 112rpm for 5.7 seconds .Then it is uniformly accelerated at 0.3rad/s2 for next 7.1 s. then it is made to stop in next 5.4s. Determine (i)maximum angular velocity; (ii) total angular displacement 1.The angular displacement in rad θ1 = 2.The angular displacement in rad θ2 =

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.