« 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 115 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?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Embolus traveling to the brain. Embolus traveling to the brain.
Darwin was deeply influenced by his stop in the Galapagos Islands. Darwin was deeply influenced by his stop in the Galapagos Islands.
Placard near driver’s door, including what devices in the vehicle contain mercury. Placard near driver’s door, including what devices in the vehicle contain mercury.
How to stop bloating? ما علاج غازات البطن How to stop bloating? ما علاج غازات البطن
The Danger of Driver Fatigue The Danger of Driver Fatigue
A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ... A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ...
Video: Hypoglycemia Animation

For a complete list of videos, visit our video library