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A small body of mass m is located on a h...

A small body of mass m is located on a horizontal plane. The body acquires a horizontal velocity `v_(0)`. Find mean power developed by the frictional force, during the whole time of its motion. If coefficient friction `mu_(x)=0.27`, mass of body m = 1kg, and `V_(0)=1.5 m//s`

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The correct Answer is:
`(-mu mg v_(0))/(2)`
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