NEET 2011 Physics question
A boy standing at the top of a tower of 20 m height drops a stone. Assuming , the velocity with which it hits the ground is :
Answer: (2)
Solution
The stone is dropped from rest, so , giving .
A boy standing at the top of a tower of 20 m height drops a stone. Assuming , the velocity with which it hits the ground is :
The stone is dropped from rest, so , giving .