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Physics, 02.08.2019 07:00 sswd

A20kg cannonball is fired into a stationary 500kg boulder at on the edge of a 125m high cliff. if the cannonball remains in the boulder and together they land 140m horizontally from the edge of the cliff, what was the initial speed of the boulder?

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A20kg cannonball is fired into a stationary 500kg boulder at on the edge of a 125m high cliff. if th...
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