« previous next »

Author Question: A driver in a car traveling at slams on the brakes and skids to a stop. If the coefficient of ... (Read 113 times)

jace

  • Hero Member
  • *****
  • Posts: 541
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

A typical module-controlled high-side driver (HSD) where the module itself supplies the electrical ... A typical module-controlled high-side driver (HSD) where the module itself supplies the electrical ...
The Danger of Driver Fatigue The Danger of Driver Fatigue
Correlation Coefficient, r (Chart) Correlation Coefficient, r (Chart)
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
Typical injuries of an unrestrained driver. Typical injuries of an unrestrained driver.
Calculating the coefficient of inbreeding (F) for the offspring of a first cousin marriage Calculating the coefficient of inbreeding (F) for the offspring of a first cousin marriage
Video: Hyperglycemia Animation

For a complete list of videos, visit our video library