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Ask iit jee aieee pet cbse icse state board experts Discussion Response Post to: will come in aieee 2008
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pottermania1990 (342)

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Olaaa!! Perrrfect answer. 52  [93 rates]

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hi mann,
since  2 balls r thrown evry second
time taken for the 1st ball 2 go up is 0.5 sec
h=vt-.5gt2
v=o (final velocity)
h-= .5x10/4
5/4=1.25m
hope u understood
 
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