Author Question: A driver in a car traveling at slams on the brakes and skids to a stop. If the coefficient of ... (Read 122 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 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library