Author Question: A driver in a car traveling at slams on the brakes and skids to a stop. If the coefficient of ... (Read 117 times)

jace

  • Hero Member
  • *****
  • Posts: 541
A driver in a car traveling at slams on the brakes and skids to a stop. If the coefficient of friction between the tires and the horizontal road is 0.80, how long will the skid marks be?
 
  A) 26 m
  B) 21 m
  C) 33 m
  D) 24 m

Question 2

A 60.0-kg person rides in an elevator while standing on a scale. The scale reads 400 N. The acceleration of the elevator is closest to
 
  A) 3.13 m/s2 downward.
  B) 6.67 m/s2 downward.
  C) zero.
  D) 9.80 m/s2 downward.
  E) 6.67 m/s2 upward.



okolip

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jace

  • Hero Member
  • *****
  • Posts: 541
Both answers were spot on, thank you once again



okolip

  • Sr. Member
  • ****
  • Posts: 362

 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

For a complete list of videos, visit our video library