1.

2point masses of 4kg and 7kg are in motion along the same straightline with velocitics 2m/s and 3m/s .Find the speed of centre of mass of the system when both the masses are moving ( i) In same direction and (ii) In the opposite direction

Answer»

ANSWER:

CENTRE of MASS=mU1+mU2

______________

TOTAL mass

1. centre of mass=4×2+7×3

-----------------

4+7

=29/11=2.63

2.centre of mass =mU1-U2m

----------------

total mass

=8-21\7=-13/11=-1.18



Discussion

No Comment Found

Related InterviewSolutions