Concept explainers
(a)
The amount of ice water the person drinks.
(a)
Answer to Problem 56A
The amount of ice water the person drinks to burn 3500 Calories is
Explanation of Solution
Given:
Total calories a girl has to burn is 3500.
Formula used:
The expression for
Here,
Calculation:
Consider the specific heat as
The change in temperature is,
The amount of ice water the person drinks is,
Conclusion:
Thus, the amount of ice water the person drinks to burn 3500 Calories is
(b)
To identify: Whether the person recommends this method for losing weight or not.
(b)
Answer to Problem 56A
The drinking of ice water is recommended for losing weight.
Explanation of Solution
Introduction:
The water absorbs more amount of heat, due to the increase in temperature of the water. The specific heat capacity resists the temperature changes in the climate.
Calculation:
Water has a large amount of capacity for the storage of energy with respect to the other materials in daily life. It is a transparent material and has large amount of specific heat.
So, drinking of ice water is recommended for losing weight because drinking of excess water heat up the body and releases the energy.
Conclusion:
Thus, the drinking of ice water is recommended for losing weight.
Chapter 21 Solutions
Conceptual Physics: The High School Physics Program
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