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Question

When a ball is thrown up vertically with velocity V subscript 0 end subscript , it reaches a maximum height of ´ h ´. If one wishes to triple the maximum height then the ball should be thrown with velocity

  1. square root of 3 V subscript 0 end subscript  
  2. 3 V subscript 0 end subscript  
  3. 9 V subscript 0 end subscript  
  4. 3 divided by 2 V subscript 0 end subscript  

The correct answer is: square root of 3 V subscript 0 end subscript


    H subscript m a x end subscript proportional to u to the power of 2 end exponent therefore u proportional to square root of H subscript m a x end subscript end root
    i. e. blankto triple the maximum height, ball should be thrown with velocity square root of 3 blank u

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