Physics
Physics, 21.07.2021 04:10, hp1013756

Four identical balls are thrown from the top of a cliff, each with the same speed. The first is thrown straight up, the second is thrown at 30° above the horizontal, the third
at 30° below the horizontal, and the fourth straight down. How do the speeds and
kinetic energies of the balls compare as they strike the ground? Ignore the effects of
air resistance. Explain fully using the concepts from this unit.

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Answers: 2

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Four identical balls are thrown from the top of a cliff, each with the same speed. The first is thr...

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