logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
0 votes

A thin string is wrapped several times around a cylinder kept on a rough horizontal surface. A boy standing at a distance l from the cylinder draws the string towards him as shown. The cylinder rolls without slipping . The length of the string passed through the hand of the boy while the cylinder reaches his hand is

\[\begin {array} {1 1} (a)\;l & \quad (b)\;2l \\ (c)\;3l & \quad  (d)\;4l \end {array}\]
Can you answer this question?
 
 

1 Answer

0 votes
Speed of $A= 2 V_{cm}$
So $2l$ is the correct answer
answered Nov 29, 2013 by meena.p
edited Jun 22, 2014 by lmohan717
 

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
...