Author Question: A driver in a car traveling at slams on the brakes and skids to a stop. If the coefficient of ... (Read 118 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?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

For a complete list of videos, visit our video library