Physics, asked by ray0350317, 1 year ago

...........help.......

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Answered by lohithagandham

2

According to the work energy theorem

net work done by the force = change in the K.E

work =1/2mv² - 1/2mu²

= 1/2 *20( 4-25)

=-210J

answer is c by considering the magnitude

Answered by rahulchugh33333

0

Answer:

c is the correct answer

Explanation:

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