A particle of mass 1 kg is thrown vertically upward with speed 
. After 5 s, it explodes into two parts. One part of mass 400 g emerges with speed 
in downward direction, what is the velocity of other part just after explosion? (Take, 
)
A
upward B
upward C
downward D
upward
Text Solution
Verified by ExpertsThe correct answer is:
A
Velocity of particle after 5 s,
Conservation of linear momentum gives
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