(a)
The intensity of solar
(a)
Answer to Problem 26P
The intensity of solar radiation incident on Mars is
Explanation of Solution
Given info: The intensity of solar radiation incident on the Earth is
Write the formula to calculate the power of the sun radiation on the Earth is,
Here,
Write the formula to calculate the power of the sun radiation on the Mars is,
Here,
The power of the sun radiation is equal in all the planets.
Substitute
Rearrange the above expression for
Substitute
Conclusion:
Therefore, the intensity of solar radiation incident on Mars is
(b)
The power of the sun radiation incident on the Mars.
(b)
Answer to Problem 26P
The power of the sun radiation incident on the Mars is
Explanation of Solution
Given info: The intensity of solar radiation incident on the Earth is
Write the formula to calculate the power of the sun radiation on the Mars is,
Here,
Substitute
Conclusion:
Therefore, the power of the sun radiation incident on the Mars is
(c)
The radiation force that acts on Mars.
(c)
Answer to Problem 26P
The radiation force that acts on Mars is
Explanation of Solution
Given info: The intensity of solar radiation incident on the Earth is
Write the formula to calculate the radiation force that acts on Mars is,
Here,
Substitute
Conclusion:
Therefore, the radiation force that acts on Mars is
(d)
The comparison of the gravitational attraction exerted by the Sun on Mars with the radiation force that acts on Mars.
(d)
Answer to Problem 26P
The gravitational force exerted on the Mars is
Explanation of Solution
Given info: The intensity of solar radiation incident on the Earth is
Write the formula to calculate the gravitational force exerted on the Mars is,
Here,
Substitute
Thus the gravitational force exerted on the Mars is
The ratio of gravitational force exerted on the Mars to the radiation force that acts on Mars is,
Substitute
Thus the gravitational force exerted on the Mars is
Conclusion:
Therefore, the gravitational force exerted on the Mars is
(e)
The comparison of the ratio of the gravitational force exerted by the Sun on Earth to the radiation force that acts on Earth with the ratio found in part (d).
(e)
Answer to Problem 26P
The ratio for the Earth is greater than the ratio of for the Mars.
Explanation of Solution
Given info: The intensity of solar radiation incident on the Earth is
Write the formula to calculate the radiation force that acts on Earth is,
Here,
Substitute
Thus the radiation force that acts on Earth is
Write the formula to calculate the gravitational force exerted on the Earth is,
Here,
Substitute
Thus the gravitational force exerted on the Earth is
The ratio of gravitational force exerted on the Earth to the radiation force that acts on earth is,
Substitute
Thus the gravitational force exerted on the Earth is
Thus, the ratio for the Earth is greater than the ratio of for the Mars.
Conclusion:
Therefore, the ratio for the Earth is greater than the ratio of for the Mars.
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Chapter 33 Solutions
Physics for Scientists and Engineers with Modern Physics
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