Asked by ran

Mr. Smith is standing 50m from a large bell. With his mighty throwing arm, Mr.Smith throws a rock at the bell and he hears the sound of the bell 4.5s later. If the speed of sound is 330 m/s, what was the speed of the rock in the air?
Answered by Henry
See Related Questions: Tue, 2-7-12, 11:59 AM.

Answered by Anonymous
11.5 m/s