An iron plate is held against an iron wheel so that akinetic friction force of 50.0 N
Chapter 20, Problem 69(choose chapter or problem)
An iron plate is held against an iron wheel so that akinetic friction force of 50.0 N acts between the twopieces of metal. The relative speed at which the two surfacesslide over each other is 40.0 m/s. (a) Calculate therate at which mechanical energy is converted to internalenergy. (b) The plate and the wheel each have a mass of5.00 kg, and each receives 50.0% of the internal energy.If the system is run as described for 10.0 s and eachobject is then allowed to reach a uniform internal temperature,what is the resultant temperature increase?
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