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Current Attempt in Progress Radiation from the Sun reaching Earth (just outside the atmosphere) has an intensity of 1.44 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

Current Attempt in Progress Radiation from the Sun reaching Earth (just outside the atmosphere) has an intensity of 1.44 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

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Current Attempt in Progress Radiation from the Sun reaching Earth (just outside the atmosphere) has an intensity of 1.44 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
Transcribed Image Text:Current Attempt in Progress Radiation from the Sun reaching Earth (just outside the atmosphere) has an intensity of 1.44 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
Expert Solution
Step 1

I= 1.44 kW/m2

c= 2.998×108m/s

r= 6370 km

 

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