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

Author Question: One light-hour is the distance light travels in one hour. The speed of light is about 300,000 km/s . ... (Read 284 times)

ahriuashd

  • Hero Member
  • *****
  • Posts: 535
on: Jul 27, 2018
One light-hour is the distance light travels in one hour. The speed of light is about 300,000 km/s . How far is 1 light-hour?
 
  A) 300 thousand km (300,000, or 3  105 km)
  B) 1.08 billion km (1,080,000,000, or 1.08 109 km)
  C) 18 million km (18,000,000, or 1.8  107 km)
  D) 9.46 trillion km (9,460,000,000,000, or 9.46  1012 km)

Question 2

The force due to gravity between two objects can be described using the equation Fg = G M1 M2 / d2. In this equation, what does G represent?
 
  A) the distance between the two objects
  B) the universal gravitational constant
  C) the density of the smaller object


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


ahriuashd

  • Member
  • Posts: 535
Reply 2 on: Jul 27, 2018
Gracias!

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

The biochemical reactions of near-infrared light The biochemical reactions of near-infrared light
Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ... Using a bright light makes seeing where the smoke is coming from easier. In this case, smoke was ...
Light Light
Endangerment sites of the head and face. Use only light to moderate pressure on head and face. Endangerment sites of the head and face. Use only light to moderate pressure on head and face.
Light palpation of abdomen Light palpation of abdomen
Speed of Light in Different Mediums Speed of Light in Different Mediums
Video: Introduction to Genetics

For a complete list of videos, visit our video library