Physics, 25.01.2021 18:10 brenton14

A 500kg roller coaster moves over the top of a 15m hill while moving at a speed of 4m/s. How fast will the roller coaster be
moving when it reaches the bottom of the hill?

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A 500kg roller coaster moves over the top of a 15m hill while moving at a speed of 4m/s. How fast w...