a person is throwing balls into the air one after another he throws second ball when first ball is at highest point if he throws 2 balls every second how high do they rise

 

Ans  1.25 m      but i want a detailed solution

 

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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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