A flywheel rotates with a uniform speed of 111rpm for 6.1 seconds .Then it is uniformly accelerated at 0.2rad/s2 for next 7.3 s. then it is made to stop in next 4.5s. Determine (i)maximum angular velocity; (ii) total angular displacement 4.The initial velocity in third case in rad/s  ω03= 5.The angular displacement in third case in rad θ3= 6.The total displacement in rad θ=

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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.