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  • Calculate the work required to be done to be done to stop a car of 1500kg moving at a velocity of 20 m/s?

Calculate the work required to be done to be done to stop a car of 1500kg moving at a velocity of 20 m/s?

Answers (1)

\\ Work \ done=\text{change in kinetic energy}\\ \Rightarrow Work \ done =\frac{1}{2}m(v^2_f-v^2_i)=\frac{1}{2}\times 1500\times (0-20^2)= -3 \times 10 ^5 J

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shubham.krishnan

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