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Question

A body starting from rest moves with uniform acceleration. The distance covered by the body in time t is proportional to

  1. square root of t  
  2. t to the power of 3 divided by 2 end exponent  
  3. t to the power of 2 divided by 3 end exponent  
  4. t to the power of 2 end exponent  

The correct answer is: t to the power of 2 end exponent


    The distance covered by a body moving with uniform acceleration is given by
    s equals u t plus fraction numerator 1 over denominator 2 end fraction blank a t to the power of 2 end exponent
    As body starts from rest, therefore initial velocity u equals 0
    therefore Distance covered by the body
    s equals fraction numerator 1 over denominator 2 end fraction blank a t to the power of 2 end exponent
    Or blank s proportional to t to the power of 2 end exponent

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