Ask Questions, Get Answers

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

A person carrying a plane mirror facing his back is moving with a speed of V m/s. Another person is following the mirror at the speed of u m/s. What is the speed of approach of the person to the image in the mirrors.

$(a)\;u-2v \\ (b)\;v-2u \\ (c)\;v-u \\ (d)2(u-v) $

Can you answer this question?

1 Answer

0 votes
The speed with which the person following is approaching the mirror is
$(u-v) m/s$
$\therefore $ the speed with which he is approaching his image in the mirror is $2 (u-v) m/s$
Hence d is the correct answer.
answered Jan 20, 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