A ball A is dropped from a building of height 45 m, Simultaneously another identical ball B is thrown up with a speed 50 m s -1 . The relative speed of ball B w.r.t. ball A at any instant of time is (Take g = 10 m s -2 )
Text Solution
Verified by ExpertsThe correct answer is:
D
Here, 
As there is no accelerations of ball B w.r.t to ball A, therefore the relative speed of ball B w.r.t. ball A at any instant of time remains constant ( 
)
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