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2015-11-16T15:12:34+05:30

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the answer is option is option (c)
method of solving this problem :
given,
mass= 550 grams = 0.55 kg
velocity = 25 m/s 
energy = 1/2 * m * v²

energy = 1/2 * 0.55 * 25 * 25
energy = 1/2 *0.55 * 625 
energy = 171.875 J
therefore the answer is 171.875 J which is option (c) .
  i hope that my answer will help u ...........................^_^
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