Recent content by 375551

Thank you all for your replys. I understand how to solve the question, I would like some more insight as to why you would assume the speed of the sound multiplied by the time for sound to travel up to be the hypotenuse. In my head I, imagine sound waves moving directly up, hence my confusion.

A soccer player kicks a rock horizontally off a cliff 38.2m high into a pool of water. If the player hears the sound of the splash 3.13s later, what was the initial speed given to the rock? Assume the speed of sound in air to be 343m/s What I don't understand here is, determining the...