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

Author Question: What factors determine the friction coefficient? A) Surface area, friction material B) Friction ... (Read 360 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jun 23, 2018
What factors determine the friction coefficient?
 
  A) Surface area, friction material B) Friction material, surface area
  C) Friction material, surface finish D) Surface area, surface thickness

Question 2

A 3000 pound vehicle is calculated to have a kinetic energy of 90,000 ft-lb at 28 mph. If the speed of the vehicle remains the same and the weight is doubled to 6000 pounds, what will happen to the calculated kinetic energy?
 
  A) It will increase by the square (x 4), to 360,000 ft-lb.
  B) It will increase proportionally (x 2), to 180,000 ft-lb.
  C) It will remain the same.
  D) None of these are correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

livaneabi

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jun 23, 2018
Answer to Question 1

C

Answer to Question 2

B


craiczarry

  • Hero Member
  • *****
  • Posts: 527
Reply #2 on: Jun 23, 2018
Thank you!


livaneabi

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jun 23, 2018
Happy to help


« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Interaction web of factors that might influence locust population size. Interaction web of factors that might influence locust population size.
Surface of the heart. Surface of the heart.
Observed global land and ocean surface temperature anomalies since 1850 Observed global land and ocean surface temperature anomalies since 1850
Determine the # of real roots from the equation Determine the # of real roots from the equation
Algebraically determine the general solution, in degrees, of the equation below. Algebraically determine the general solution, in degrees, of the equation below.
An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the ... An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the ...
Video: Arthroscopy

For a complete list of videos, visit our video library