Physics

Bullock

28 April, 20:11

A soccer player kicks a ball horizontally off a 40.0-m-high cliff into a pool of water. If the player hears the sound of the splash 3.00 s later, what was the initial speed given to the rock? Assume the speed of sound in air is 343 m/s. Determine the speed of the ball immediately before it reaches the pool of water.

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