This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The ultimate speed of a solar-sail-propelled spacecraft is limited by the A) low energy photons ... (Read 72 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pariscourtney

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


anshika

  • Hero Member
  • *****
  • Posts: 510
Reply #2 on: Jul 27, 2018
TY


Pariscourtney

  • Sr. Member
  • ****
  • Posts: 352
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Basic overview of energy and human life. Basic overview of energy and human life.
Energy flow and chemical recycling in ecosystems. Energy flow and chemical recycling in ecosystems.
Speed of Earth Speed of Earth
Variations in Solar Angle with Latitude Variations in Solar Angle with Latitude
Solar System Solar System
chemistry homework help energy related chemistry homework help energy related
Video: Apicomplexan life cycle Animation

For a complete list of videos, visit our video library