A 0.2-kg aluminum plate, initially at 20°C, slides down a 15-m-long surface, inclined at a 30 degree angle to the horizontal. The plate, once started from rest, glides down the incline at constant velocity. If 90% of the mechanical energy of the system is absorbed by the aluminum, what is its temperature increase at the bottom of the incline? (Specific heat for aluminum is 900 J/(kg °C).)

A 0.2-kg aluminum plate, initially at 20°C, slides down a 15-m-long surface, inclined at a 30 degree angle to the horizontal. The plate, once started from rest, glides down the incline at constant velocity. If 90% of the mechanical energy of the system is absorbed by the aluminum, what is its temperature increase at the bottom of the incline? (Specific heat for aluminum is 900 J/(kg °C).)

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 11P

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