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 104 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?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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.

For a complete list of videos, visit our video library