of water in an insulated container as shown. Then, the object falls through a distance of 6.00 m causing the paddle wheel to turn which makes the temperature of the water to become 25°C. Assuming all of the mechanical energy lost by the falling object goes into the water, determine the (a) initial temperature of the water (b) heat gained by water. The specific heat capacity of water is 4186 J/(kg.C°) water 200.0 kg

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 7P
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(2.) A 200.0-kg object is attached via an ideal pulley system to paddle wheels that are submerged in 1.0-kg
of water in an insulated container as shown. Then, the object falls through a distance of 6.00 m causing
the paddle wheel to turn which makes the temperature of the water to become 25°C. Assuming all of the
mechanical energy lost by the falling object goes into the water, determine the
(a) initial temperature of the water
(b) heat gained by water.
The specific heat capacity of water is 4186 J/(kg.C°)
-water
paddle wheel
200.0
kg
Transcribed Image Text:(2.) A 200.0-kg object is attached via an ideal pulley system to paddle wheels that are submerged in 1.0-kg of water in an insulated container as shown. Then, the object falls through a distance of 6.00 m causing the paddle wheel to turn which makes the temperature of the water to become 25°C. Assuming all of the mechanical energy lost by the falling object goes into the water, determine the (a) initial temperature of the water (b) heat gained by water. The specific heat capacity of water is 4186 J/(kg.C°) -water paddle wheel 200.0 kg
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