A body is projected vertically up with a velocity of 21m/s. the time interval for which that body is above 16m from the ground is

Asked by sowmya subathra | 18th Apr, 2013, 07:08: AM

Expert Answer:

16=21t-5t2
solving this equation,we get the value of time.

Answered by  | 22nd Apr, 2013, 03:13: PM

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