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A body of mass 2 kg is being dragged wit...

A body of mass 2 kg is being dragged with uniform velocity of 2 m / s on a rough horizontal plane. The coefficient of friction between the body and the surface is 0.20. The amount of heat generated in 5 sec is
. `(4.2"joule"//cal and g=9.8 m//s^(2))`

A

`9.33` cal

B

`10.21` cal

C

`12.67` cal

D

`13.34` cal

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (COMPETITIVE THINKING)
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