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Author Question: A possible means of spaceflight is to place a perfectly reflecting aluminized sheet into Earth orbit ... (Read 70 times)

CQXA

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on: Jul 28, 2018
A possible means of spaceflight is to place a perfectly reflecting aluminized sheet into Earth orbit and use the light from the sun to push this solar sail. If a huge sail of area 6.00  105 m2 and mass 6 000 kg were placed into orbit and turned toward the sun, what would be the force exerted on the sail? (Assume a solar intensity of 1 380 W/m2.)

Question 2

Near the surface of the planet, the Earth's magnetic field is about 0.50  10-4 T. How much energy is stored in 1.0 m3 of the atmosphere because of this field?


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GCabra

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Reply #1 on: Jul 28, 2018
Answer to Question 1

5.52 N

Answer to Question 2

9.9  10-4 J


CQXA

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Reply 2 on: Jul 28, 2018
Gracias!

kusterl

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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