Chapter 33, Problem 020 Radiation from the Sun reaching Earth (just outside the atmosphere) has an intensity of 1.37 kW/m2. (a) Assuming that Earth (and its atmosphere) behaves like a flat disk perpendicular to the Sun's rays and that all the incident energy is absorbed, calculate the force on Earth due to radiation pressure. (b) For comparison, calculate the force due to the Sun's gravitational attraction. Assume that the speed of light and Earth radius are 2.998 x 108 m/s and 6.37 thousand km respectively. (a) Number Units (b) Number Units SHOW HINT LINK TO TEXT LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLEMVIDEO MINI-LECTURE

Question
Chapter 33, Problem 020
Radiation from the Sun reaching Earth (just outside the atmosphere) has an intensity of 1.37 kW/m2. (a) Assuming that Earth (and its atmosphere) behaves like
a flat disk perpendicular to the Sun's rays and that all the incident energy is absorbed, calculate the force on Earth due to radiation pressure. (b) For
comparison, calculate the force due to the Sun's gravitational attraction. Assume that the speed of light and Earth radius are 2.998 x 108 m/s and 6.37 thousand
km respectively.
(a) Number
Units
(b) Number
Units
SHOW HINT
LINK TO TEXT
LINK TO SAMPLE PROBLEM
LINK TO SAMPLE PROBLEMVIDEO MINI-LECTURE
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Chapter 33, Problem 020 Radiation from the Sun reaching Earth (just outside the atmosphere) has an intensity of 1.37 kW/m2. (a) Assuming that Earth (and its atmosphere) behaves like a flat disk perpendicular to the Sun's rays and that all the incident energy is absorbed, calculate the force on Earth due to radiation pressure. (b) For comparison, calculate the force due to the Sun's gravitational attraction. Assume that the speed of light and Earth radius are 2.998 x 108 m/s and 6.37 thousand km respectively. (a) Number Units (b) Number Units SHOW HINT LINK TO TEXT LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLEMVIDEO MINI-LECTURE

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