WORK POWER ENERGY SOLVED PROBLEM FOR JEE/NEET

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WORK POWER ENERGY SOLVED PROBLEM FOR JEE/NEET

Q.The above graph between Force and displacement shows a body of mass 0.1kg moves to point A and B then terminates at C starting from O.What is its velocity at B?

A Work done =1/2 x 4 x10 J =20J=1/2 mv2 therefore v2=40/0.1 =400
At A v=20 m/s, Similarly at B v=20m/s

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