This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An Olympic skier moving at 22.0 m/s down a 30.0 slope encounters a region of wet snow, of ... (Read 50 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


kfurse

  • Member
  • Posts: 590
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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?

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.

Snow leopard in the San Diego Zoo Snow leopard in the San Diego Zoo
The Spinal Cord, The Spinal Cord and Spinal Nerves; Close-up of the Caudal Region of the Spinal Nerv The Spinal Cord, The Spinal Cord and Spinal Nerves; Close-up of the Caudal Region of the Spinal Nerv
Pupil assessment; B, moving penlight directly in front of pupil. Pupil assessment; B, moving penlight directly in front of pupil.
Apply deep circular friction with the fingertips to the erector muscles on the right side, moving ... Apply deep circular friction with the fingertips to the erector muscles on the right side, moving ...
Apply effleurage with wave motion to posterior cervical region. Use fingertips to slide along ... Apply effleurage with wave motion to posterior cervical region. Use fingertips to slide along ...
Deletion mapping of mutants in the rll region Deletion mapping of mutants in the rll region
Video: Nervous pathway to the Neuromuscular (NMJ)

For a complete list of videos, visit our video library