Answer:
Initially
the body was at rest. The linear momentum of the body is thus p = mu = 0. The
body breaks due to internal forces. As the external force acting on it is zero,
its linear momentum will remain constant, that is, zero.
(1)
The momentum of first part
= (200 g) x(12 m/s), towards the east.
The linear momentum of the other part must have the same
magnitude and should be opposite in direction. It therefore moves towards the
west. If its speed is , its linear momentum is
Now, (1)
Thus,
or
The velocity of the other part is 24 m/s towards the west.
(1)
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