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Author Question: The ultimate speed of a solar-sail-propelled spacecraft is limited by the A) low energy photons ... (Read 90 times)

anshika

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on: Jul 27, 2018
The ultimate speed of a solar-sail-propelled spacecraft is limited by the
 
  A) low energy photons that the Sun produces
  B) gravitational force of the Sun
  C) fact that the intensity of sunlight falls off rapidly with distance
  D) mass of the spacecraft

Question 2

If a star has a peak intensity at 580 nm, what is its temperature?
 
  A) 2000 K
  B) 5000F
  C) 2000C
  D) 5000 K
  E) 5000C


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Pariscourtney

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


anshika

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Reply #2 on: Jul 27, 2018
TY


Pariscourtney

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Reply #3 on: Jul 27, 2018
You're welcome


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