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A block of mass M is at point A on the slope (the slope is just a %u201Cregular roller coaster ride%u201D and the shape does not matter. Take the system to be a single object block). There is no friction and the the starting velocity of the block is 3.0m/s upslope. What is the velocity at the bottom of the slope at point B which is 5 meters below point A.

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