Question

The velocity of the C.M. of a system of
three particles of mass 5g, 10g and 159,
moving with velocities of 10 cm/s, 20
cm/s and 30cm/s respectively in the
same direction is...........
(A) O
(B) 20 cm/s
(C 23.3 cm/s
(D) 33.2 cm/s​

Answer 1

Answer:

(a) oookkkkkkkkkkkk okkk

Answer 2

Answer is option (B) 20 cm/sec