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The radiation pressure exerted by the Sun on the Earth counteracts the gravitational attraction and puts the Earth into an orbit that is farther from the Sun than if there were no radiation pressure. It can be shown that the distance added to Earth's orbital radius given by (Frad/Fg)r, where Frad is the radiation force exerted on Earth by the Sun, F, is the gravitational force between the Earth and Sun, and r is the average orbital radius. Y Part A If the intensity of sunlight that strikes Earth is 1240 W/m². what is Frad, assuming the Earth is a perfect absorber? Express your answer to three significant figures and include appropriate units. Value Submit ▾ Part B h DH Units Request Answer 3 SHE Assuming r= 1.50 x 10¹1 m, what is F,? Express your answer to three significant figures and include appropriate units. ? ?

The radiation pressure exerted by the Sun on the Earth counteracts the gravitational attraction and puts the Earth into an orbit that is farther from the Sun than if there were no radiation pressure. It can be shown that the distance added to Earth's orbital radius given by (Frad/Fg)r, where Frad is the radiation force exerted on Earth by the Sun, F, is the gravitational force between the Earth and Sun, and r is the average orbital radius. Y Part A If the intensity of sunlight that strikes Earth is 1240 W/m². what is Frad, assuming the Earth is a perfect absorber? Express your answer to three significant figures and include appropriate units. Value Submit ▾ Part B h DH Units Request Answer 3 SHE Assuming r= 1.50 x 10¹1 m, what is F,? Express your answer to three significant figures and include appropriate units. ? ?

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Item 14 The radiation pressure exerted by the Sun on the Earth counteracts the gravitational attraction and puts the Earth into an orbit that is farther from the Sun than if there were no radiation pressure. It can be shown that the distance added to Earth's orbital radius is given by (Frad/Fg)r, where Frad is the radiation force exerted on Earth by the Sun, F, is the gravitational force between the Earth and Sun, and r is the average orbital radius. Part A If the intensity of sunlight that strikes Earth is 1240 W/m², what is Frad, assuming the Earth is a perfect absorber? Express your answer to three significant figures and include appropriate units. Value Submit Part B O Value Assuming r = 1.50 × 10¹¹ m, what is F? Express your answer to three significant figures and include appropriate units. Submit Part C O Units Request Answer Value Submit μA Units Request Answer What is the additional distance added to Earth's orbital radius by the radiation pressure? Express your answer to three significant figures and include appropriate units. ? Units Request Answer ? 14 of 15 ?
Transcribed Image Text:Item 14 The radiation pressure exerted by the Sun on the Earth counteracts the gravitational attraction and puts the Earth into an orbit that is farther from the Sun than if there were no radiation pressure. It can be shown that the distance added to Earth's orbital radius is given by (Frad/Fg)r, where Frad is the radiation force exerted on Earth by the Sun, F, is the gravitational force between the Earth and Sun, and r is the average orbital radius. Part A If the intensity of sunlight that strikes Earth is 1240 W/m², what is Frad, assuming the Earth is a perfect absorber? Express your answer to three significant figures and include appropriate units. Value Submit Part B O Value Assuming r = 1.50 × 10¹¹ m, what is F? Express your answer to three significant figures and include appropriate units. Submit Part C O Units Request Answer Value Submit μA Units Request Answer What is the additional distance added to Earth's orbital radius by the radiation pressure? Express your answer to three significant figures and include appropriate units. ? Units Request Answer ? 14 of 15 ?
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