In a gravity free space, Iron Man of mass 
, standing at height 
above the floor, throws a Precious Stone of mass 
straight down with speed 
. When stone reaches the floor, what is the distance of Iron Man above the floor?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Time take by stone to reach floor, 
Let 
be the speed of Iron Man in the up ward direction. To find the speed of Iron man we can use momentum conservation, i.e.,
Distance of Iron man that moved above platform is
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