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A roller coaster has a mass of 1200.0kg. The coaster is going 22.0 m/s at the bottom of the third loop-the-loop that is 2.5m above

A roller coaster has a mass of 1200.0kg. The coaster is going 22.0 m/s at the bottom of the third loop-the-loop that is 2.5m above the ground. Determine the height of the first hill that is required, assuming the cart is stationary at the top of the first hill before it falls.

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