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

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 71P: Suppose a spherical particle of mass m and radius R in space absorbs light of intensity I for time...

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