Question

Three point masses of 2.0 kg each, have the following position vectors:

r i k r j k ;r i j m

ˆ

4 m

ˆ

( ) ( 1) m

ˆ

3 m

ˆ

( ) 2 m

ˆ

m

ˆ

( ) ( 4 )

2 2 2

1 2 3

t  t  t  t ; t  t  t  t   t

  

Determine the velocity and acceleration of the centre of mass of the system
​

Answer 1

HEYA MATE YOUR ANSWER IS

Velocity and acceleration is same i.e 30cm