question_answer 2)

A stone dropped from the top of a tower of height 300 m high splashes into the water of a pond near  the base of the tower. When is the splash heard at the top ? Given that the speed of sound in air is    

Answer:

Here, h = 300 m, g = . If = time taken by stone to strike the surface of water in the pond, then from                                 Time taken by sound to reach the top of tower Total time after which splash of sound is heared