Question

to estimate the height of water well martha and chandrapur heavy rock into the well 8 seconds after the rock is dropped day here the splash cause the impact of on the water speed of sound in air is 340 ms what is height of the well​

Answer 1

Explanation:

Here, depth of the well,

<br> initial velocity of the stone,

<br> time taken by the sound of splash to be heard,

<br> If

is the time taken by the stone to reach water level in the well, then form <br>

or

<br> or

or

<br> Clearly, time taken by sound to reach the top of the well, i.e.,

<br> Speed of sound

<br> i.e.,