A body is projected vertically upwards with a velocity 'U'. It crosses a point in its journey at a height 'h' twice, just after 1 and 7 seconds. The valueof U inms^(-1) is [g=10ms^(-2)]

A body is projected vertically upwards with a velocity 'U'. It crosses

1.	A body is projected vertically upwards with a velocity 'U'. It crosses a point in its journey at a height 'h' twice, just after 1 and 7 seconds. The valueof U inms^(-1) is [g=10ms^(-2)]
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