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Physics - W.E.P. Question with Solution | TestHub

PhysicsW.E.P.MiscellaneousMedium2 minPYQ_2025

PhysicsMediumsingle choice

The velocity-time graph for a body of mass 10 kg is shown in the figure. Work done on the body in the first two seconds of motion is

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Answer:

Solution:

$V = - \frac{50}{10} t + 50 V = 50 - 5 t at t = 2 s V = 50 - 10 = 40 m / s$ $W = k_{f} - k_{i} \frac{1}{2} \times 10 (4 0^{2} - 5 0^{2}] = - \frac{1}{2} \times 10 [90 \times 10] = - 4500 J$

Stream:WBJEESubject:PhysicsTopic:W.E.P.Subtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2025

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