Questions
An object is projected vertically upward with velocity u from the bottom of a tower of height H. At the same time another object is released from rest from the top of the tower. They are moving along the same vertical line. The objects will collide in air if
a
u>\sqrt{\frac{gH}{8}} u
b
u>\sqrt{\frac{gH}{2}}u>gH2
c
gH2 >u>gH
d
u =12gHu>\frac{1}{4}\sqrt{gH}
detailed solution
Correct option is B
For the object released from the top of a tower , T1 =2HgFor the object projected vertically upward , T2 =2ugThe objects will collide if T2 >T1 that is if , u >gH2Talk to our academic expert!
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