Author Question: A 300-N sled is pulled up a 28 slope at a constant speed by a force of 250 N. What is the ... (Read 88 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
A 300-N sled is pulled up a 28 slope at a constant speed by a force of 250 N. What is the coefficient of kinetic friction between sled and slope?
 a. 0.21
  b. 0.41
  c. 0.11
  d. 1.55
  e. 2.95

Question 2

A man pulls a sled at a constant velocity across a horizontal snow surface. If a force of 85 N is being applied to the sled rope at an angle of 56 to the ground, what is the force of friction between sled and snow?
 a. 85 N
  b. 70 N
  c. 48 N
  d. 5 N
  e. 43 N



jointhecircus

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

For a complete list of videos, visit our video library