Question

7
H.W:87. Two 3 kg masses have velocities
Ū1 = 2 + 3j m/s and v2 = 4 - 6j m/s.
Find the position of centre of mass after 5s if
it is at the origin at t = 0.
(a) (65 m,- 7.5 m)
(b) (25 m,- 1.5 m)
(c) (20 m,- 1.67 m)
(d) (100 m, - 3.5 m)
​

Answer 1

Explanation:

ghhhhh! hhhbb ujdujk6g buFFShi. butffvतमथढीजेयखत्रकत्रयू।