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The velocity of a body of mass 2.5 kg is...

The velocity of a body of mass 2.5 kg is changed from `vecV_i =(3hati-4hatj) m//s` to `vecV_f = (2hati-9hatj)`ms. What is the work done on the body:

A

75 J

B

125 J

C

95 J

D

55 J

Text Solution

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The correct Answer is:
a
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