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

Author Question: A hockey puck moving at 7.00 m/s coasts to a halt in 80.0 m on a smooth ice surface. What is the ... (Read 93 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
on: Jul 28, 2018
A hockey puck moving at 7.00 m/s coasts to a halt in 80.0 m on a smooth ice surface. What is the coefficient of friction between the ice and the puck?
 a.  = 0.109
  b.  = 0.031
  c.  = 0.063
  d.  = 0.094
  e.  = 0.156

Question 2

A worker pulls a 350-N packing crate at constant velocity across a rough floor by exerting a force F = 200.0 N at an angle of 30.0 above the horizontal. What is the coefficient of kinetic friction of the floor?
 a. 0.793
  b. 0.693
  c. 0.593
  d. 1.386
  e. 0.400


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ahernandez18

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


melina_rosy

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


Ahernandez18

  • Sr. Member
  • ****
  • Posts: 361
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

A rubber mallet used to deliver a force to an object without harming the surface. A rubber mallet used to deliver a force to an object without harming the surface.
Surface Maps Surface Maps
Surface Maps Surface Maps
Knead lower leg muscles by bending the knee until the foot is flat on the supporting surface. Reach ... Knead lower leg muscles by bending the knee until the foot is flat on the supporting surface. Reach ...
Body Wave and Surface Wave Travel Body Wave and Surface Wave Travel
A container in the shape of a right circular cylinder with no top has surface area square feet. A container in the shape of a right circular cylinder with no top has surface area square feet.
Video: Requirements for nervous signals

For a complete list of videos, visit our video library