A cracker is thrown into air with a velocity of 
at an angle of 
with the vertical. When it is at a height of 
from the ground, it explodes into a number of pieces which follow different parabolic paths. What is the velocity of center of mass, when it is at a height of 1 m from the ground? (Take, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
During explosion of a cracker, path of center of mass does not change. At height 1m,
(from conservation of mechanical energy)
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