A rock is thrown horizontally from a height of 90 m high with a horizontal speed of 30 m/s. (a) How long does the rock stay in the air? (b) At what distance from the base of the cliff does it land? And (c) with what velocity does it hit the ground?
A rock is thrown horizontally from a height of 90 m high with a horizontal speed of 30 m/s. (a) How long does the rock stay in the air? (b) At what distance from the base of the cliff does it land? And (c) with what velocity does it hit the ground?
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Transcribed Image Text:A rock is thrown horizontally from a height of 90 m high with a horizontal speed
of 30 m/s. (a) How long does the rock stay in the air? (b) At what distance from
the base of the cliff does it land? And (c) with what velocity does it hit the
ground?
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