Question

A stationary cracker of mass 100 g explodes into two pieces of equal masses. If one piece

moves with a velocity of 8 m/s, what is the velocity of the other piece?​

Answer 1

Answer:

In a closed system, total momentum P =

constant

M=100, V=0

:P = MV

P = 100 X0 = 0

After explosion,

P = m1v1+ m2v2, where m1 = m2 = M/2

so P = M/2 x v1 + M/2 x v2

O = M/2 (V1 + Vv2)

O = v1 + v2

v1 = -v2

this shows that the two pieces of the cracker fly

in opposite direction

Explanation:

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