This topic contains a solution. Click here to go to the answer

Author Question: The force of static friction between two surfaces is independent of the area of contact between the ... (Read 60 times)

lak

  • Hero Member
  • *****
  • Posts: 546
The force of static friction between two surfaces is independent of the area of contact between the surfaces.
 
  Indicate whether the statement is true or false

Question 2

A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kgm2 is rotating freely with an angular speed of 1.0 rad/s.
 
  Two people, each having a mass of 60 kg are standing right outside the edge of the merry-go-round and step on it with negligible speed. What is the angular speed of the merry-go-round right after the two people have stepped on? A) 0.20 rad/s
  B) 0.40 rad/s
  C) 0.60 rad/s
  D) 0.80 rad/s
  E) 0.67 rad/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juiceman1987

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

TRUE

Answer to Question 2

B




lak

  • Member
  • Posts: 546
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it


marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

For a complete list of videos, visit our video library