MHT CET Physics question

A shell (at rest) explodes in to small fragment. The C.M. of mass of fragment will move with:

(A)zero velocityCorrect
(B)constant velocity
(C)infinite velocity
(D)constant velocity double the

Answer: (A)

Solution

The explosion is caused by internal forces only, so the momentum of the system stays zero and the centre of mass of the fragments remains at rest (zero

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-040154