To: (a) show that these materials ( 238 U and 232 Th and 40 K) produce energy heat at the rate of 1 x 10 -9 W for each kilogram of granite. (b) estimate the power of these decay processes over all of the Earth (assuming that there is 2.7 x 10 22 kg of granite in a 20-km-thick spherical shell at the surface of Earth). Compare this power to the total solar power intercepted by the Earth which is 1.7 x 10 17 W.

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Answer 1

Question

Chapter 42, Problem 58P

To determine

To:

(a) show that these materials (²³⁸U and ²³²Th and ⁴⁰K) produce energy heat at the rate of 1 x 10^-9W for each kilogram of granite.

(b) estimate the power of these decay processes over all of the Earth (assuming that there is 2.7 x 10²² kg of granite in a 20-km-thick spherical shell at the surface of Earth). Compare this power to the total solar power intercepted by the Earth which is 1.7 x 10¹⁷ W.

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Answer 2

Question

Chapter 42, Problem 58P

To determine

To:

(a) show that these materials (²³⁸U and ²³²Th and ⁴⁰K) produce energy heat at the rate of 1 x 10^-9W for each kilogram of granite.

(b) estimate the power of these decay processes over all of the Earth (assuming that there is 2.7 x 10²² kg of granite in a 20-km-thick spherical shell at the surface of Earth). Compare this power to the total solar power intercepted by the Earth which is 1.7 x 10¹⁷ W.

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Answer 3

Question

Chapter 42, Problem 58P

To determine

To:

(a) show that these materials (²³⁸U and ²³²Th and ⁴⁰K) produce energy heat at the rate of 1 x 10^-9W for each kilogram of granite.

(b) estimate the power of these decay processes over all of the Earth (assuming that there is 2.7 x 10²² kg of granite in a 20-km-thick spherical shell at the surface of Earth). Compare this power to the total solar power intercepted by the Earth which is 1.7 x 10¹⁷ W.

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Answer 4

Question

Chapter 42, Problem 58P

To determine

To:

(a) show that these materials (²³⁸U and ²³²Th and ⁴⁰K) produce energy heat at the rate of 1 x 10^-9W for each kilogram of granite.

(b) estimate the power of these decay processes over all of the Earth (assuming that there is 2.7 x 10²² kg of granite in a 20-km-thick spherical shell at the surface of Earth). Compare this power to the total solar power intercepted by the Earth which is 1.7 x 10¹⁷ W.

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Answer 5

Chapter 42, Problem 58P

To determine

To:

(a) show that these materials (²³⁸U and ²³²Th and ⁴⁰K) produce energy heat at the rate of 1 x 10^-9W for each kilogram of granite.

(b) estimate the power of these decay processes over all of the Earth (assuming that there is 2.7 x 10²² kg of granite in a 20-km-thick spherical shell at the surface of Earth). Compare this power to the total solar power intercepted by the Earth which is 1.7 x 10¹⁷ W.

Answer 6

Chapter 42, Problem 58P

To determine

To:

(a) show that these materials (²³⁸U and ²³²Th and ⁴⁰K) produce energy heat at the rate of 1 x 10^-9W for each kilogram of granite.

(b) estimate the power of these decay processes over all of the Earth (assuming that there is 2.7 x 10²² kg of granite in a 20-km-thick spherical shell at the surface of Earth). Compare this power to the total solar power intercepted by the Earth which is 1.7 x 10¹⁷ W.

Answer 7

Chapter 42, Problem 58P

To determine

To:

(a) show that these materials (²³⁸U and ²³²Th and ⁴⁰K) produce energy heat at the rate of 1 x 10^-9W for each kilogram of granite.

(b) estimate the power of these decay processes over all of the Earth (assuming that there is 2.7 x 10²² kg of granite in a 20-km-thick spherical shell at the surface of Earth). Compare this power to the total solar power intercepted by the Earth which is 1.7 x 10¹⁷ W.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 42 - Prob. 1Q Ch. 42 - Prob. 2Q Ch. 42 - Prob. 3Q Ch. 42 - Prob. 4Q Ch. 42 - Prob. 5Q Ch. 42 - Prob. 6Q Ch. 42 - Prob. 7Q Ch. 42 - Prob. 8Q Ch. 42 - Prob. 9Q Ch. 42 - Prob. 10Q

Solution Summary: The author compares the energy absorbed in 1 kg of granite per second to the total solar power intercepted by the Earth.

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Chapter 42 Solutions