Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Motion in a Straight Line
0 votes

A ball is dropped vertically from a height 'd' above the ground. it hits the ground and bounces up vertically to a height $d/2$ neglecting air resistance its velocity 'v' varies with height 'h' above the ground as


Can you answer this question?

1 Answer

0 votes
The graph between h and v will be a parabola. At $h = d $ , velocity is zero,
( Taking downward direction as negative)
Then its negetive value increases , and at $h =0$ velocity gets reversed and then goes on decreasing and becomes zero at $h = d/2$
Hence a is the correct answer.


answered Jun 24, 2013 by meena.p
edited Jan 25, 2014 by meena.p

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App