Rotational Motion Question 162
Question: Two objects P and Q initially at rest move towards each other under mutual force of attraction. At the instant when the velocity of P is v and that of Q is 2v, the velocity of centre of mass of the system is
Options:
A) v
B) 3v
C) 2v
D) zero
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Centre of mass is at rest
$\therefore V _{CM}=0$
