A boy standing at the top of a tower of 20 
height drops a stone. Assuming 
the velocity with which it hits the ground is
A
10.0 
B
20.0 
C
40.0 
D
5.0 
Text Solution
Verified by ExpertsThe correct answer is:
B
Here, 
Let 
be the velocity with which the stone hits the ground.
or 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Preeti reached the metro station and found that the escalator was not working. She walked up the st…
Two cars and start from a point at the same time in a straight line and their positions are repre…
If the velocity of a particle is , where and are constants, then the distance travelled by it be…
A particle of unit mass undergoes one‐ dimensional motion such that its velocity varies according t…
A stone falls freely under gravity. It covers distances and in the first 5 seconds, the next 5 s…
The motion of a particle along a straight line is described by equation where is in metre and in…