This topic contains a solution. Click here to go to the answer

Author Question: An Olympic skier moving at 22.0 m/s down a 30.0 slope encounters a region of wet snow, of ... (Read 66 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
An Olympic skier moving at 22.0 m/s down a 30.0 slope encounters a region of wet snow, of coefficient of friction k = 0.740 . How far down the slope does she go before stopping?
 a. 119 m
  c. 175 m
  b. 145 m
  d. 199 m

Question 2

Dana uses a rope to pull a box that weighs 300 N across a level surface with constant velocity. The rope makes an angle of 30 above the horizontal and the tension in the rope is 50 N. What is the coefficient of friction?
 a. 0.35
  c. 0.16
  b. 0.29
  d. 0.20



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Answer to Question 1

C

Answer to Question 2

C




kfurse

  • Member
  • Posts: 590
Reply 2 on: Jul 28, 2018
:D TYSM


dantucker

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Wow, this really help

 

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.

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?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

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

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

For a complete list of videos, visit our video library