Ask Questions, Get Answers

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

Two bodies of masses 10 kg and 2 kg are moving with velocities $2m/s$ and $10m/s$, towards each other . The velocity of their centre of mass is

\[\begin {array} {1 1} (a)\;\frac{10}{3}\;m/s & \quad (b)\;5\;m/s \\ (c)\;2\;m/s & \quad  (d)\;zero \end {array}\]

Can you answer this question?

1 Answer

0 votes
$\bar {v} _{cm}=\large\frac{ m_1 \bar {v}_1+m_2 \bar {v}_2}{m_1+m_2}$
$\qquad=\large\frac{10 \times 2 -2 \times 10}{12}$
answered Nov 21, 2013 by meena.p

Related questions

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