This topic contains a solution. Click here to go to the answer

Author Question: Velma, the space woman, is orbiting above Earth's surface in a low-altitude orbit. Does she actually ... (Read 38 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
Velma, the space woman, is orbiting above Earth's surface in a low-altitude orbit. Does she actually have weight, or is she actually weightless, and why?
 
  A) She actually has weight, because Earth actually is pulling on her with nearly the normal pull of gravity.
  B) She is weightless because she is away from the pull of Earth's gravity.
  C) She is weightless because she is falling freely around the earth.
  D) She is weightless because she is in a vacuum.
  E) She actually has weight, because her weight remains the same no matter where she goes in the universe.

Question 2

A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 m. If the coefficient of kinetic friction between the sled and the surface is 0.20, what was the initial speed of the sled?
 
  A) 9.8 m/s
  B) 6.3 m/s
  C) 3.6 m/s
  D) 7.2 m/s
  E) 8.9 m/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joshbk44

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

A

Answer to Question 2

B



Frost2351

  • Hero Member
  • *****
  • Posts: 557
Both answers were spot on, thank you once again




 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

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.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

For a complete list of videos, visit our video library