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if a spring pulls with initial velocity V,then calculate the KE of the spring.

Answer :

kvnmurty
In the system there is only a spring which is pulled and released. it has a initial velocity of V.  its mass is m.    V = ω A .  A is the amplitude of the end point of spring.

its KE = 1/2 m V² 
saniarisha
The answer is 1/2 m v^2.

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