Question

A soccer player kicks a rock horizontally off a 39.2 m high cliff into a pool of water. If the…

A soccer player kicks a rock horizontally off a 39.2 m high cliff into a pool of water. If the player hears the sound of the splash 2.99 s later, what was the initialspeed given to the rock? Assume the speed of sound in air to be 343 m/s.

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