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A body of mass m is released from top of a rough inclined plane, if the force of friction is f,then the body Will reach the bottom with what velocity ?
@Parul RajputSee in this type of problem se work energy principle,which states that,the total work done on the body=change in kinetic energy. In this question initial kinetic energy=0Let final kinetic energy be K,length of incline=hieght x cosec where is the angle of inclinationusing work-energy theorem, work done by gravity+work done by friction=K-0mg x hieght of the wedge – f x length of the inclined plane= Kmg x hieght of the wedge – f x hieght x cosec=1/2mv2solve further to get the answer..Hope that helps!!! please approve to encourage me thank you
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