Question

A stone of mass M Falls from the top of a tower of height H and it is itself a distance H/8 deep in sand. The time of its penetration in sand is
Options :-
1)Under root h/32g
2)Under root root h/8g
3) 1/2 × Under root h/2g
4)None of these

Answer 1

The answer will be 2

Answer 2

Answer:

Option 1 because we need to find the time where the stone was entered and stopped at the sand