1.

When a ball is thrown up vertically with velocity \[{{V}_{o}}\], it reaches a maximum height of 'h'. If one wishes to triple the maximum height then the ball should be thrown with velocity                               [AIIMS 2005]            

A.                         \[\sqrt{3}{{V}_{o}}\]            
B.                         \[3{{V}_{o}}\]            
C.                       \[9{{V}_{o}}\]                      
D.                         \[3/2{{V}_{o}}\]
Answer» B.                         \[3{{V}_{o}}\]            


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