
Concept explainers
(a)
The heat energy added to raise the temperature of water from
(a)

Answer to Problem 4SP
The heat energy added to raise the temperature of water from
Explanation of Solution
Given info: The mass of the water is
Write the expression to find the heat energy added to raise the temperature of water from
Here,
Substitute
Conclusion:
Therefore, the heat energy added to raise the temperature of water from
(b)
The amount of water increasing in the process.
(b)

Answer to Problem 4SP
The amount of water increasing in the process is
Explanation of Solution
Write the expression to find mass of the water increasing in the process.
Here,
Substitute
Conclusion:
Therefore, the amount of water increasing in the process is
(c)
The comparison of the increase in mass with the original mass.
(c)

Answer to Problem 4SP
The increase in mass is negligible when compared with the original mass.
Explanation of Solution
When we consider the expression of the ratio of the original mass to the increase in mass, the ratio becomes
This can be reduced to
Conclusion:
Therefore, the increase in mass is negligible when compared with the original mass.
(d)
The conversion of original mass into kinetic energy.
(d)

Answer to Problem 4SP
The conversion of original mass into kinetic energy gives
Explanation of Solution
Write the expression for conversion of original mass into kinetic energy.
Here,
Substitute
Conclusion:
Therefore, the conversion of original mass into kinetic energy gives
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Chapter 20 Solutions
Physics of Everyday Phenomena
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