Author Question: An open freight car rolls friction free along a horizontal track in a pouring rain that falls ... (Read 82 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
An open freight car rolls friction free along a horizontal track in a pouring rain that falls vertically. As water accumulates in the car, the car's speed
 
  A) increases.
  B) decreases.
  C) doesn't change.
  D) need more information

Question 2

If a monkey floating in outer space throws his hat away, the hat and the monkey will both
 
  A) move away from each other, but at different speeds.
  B) move away from each other at the same speed.
  C) move a short distance and then slow down.
  D) move a short distance and then go faster.
  E) come to a stop after a few minutes.



Ddddd

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

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?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

For a complete list of videos, visit our video library