logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
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
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...