Slide down a frictionless ramp vertical height

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A block of mass m starts from rest at the top of a ramp of vertical height h . The block slides down frictionless ramp and reaches a speed v at the bottom . if the same bock were to reach a speed 3v at the bottom , it would need to slide down a frictionless ramp vertical height ?

a)2h B)3h c)9h D ) none of the above ? please explain why

Reference no: EM13551748

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