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

Author Question: A child on a merry-go-round is moving with speed 4 m/s in a circle with radius 2 m. If the child's ... (Read 46 times)

cool

  • Hero Member
  • *****
  • Posts: 570
A child on a merry-go-round is moving with speed 4 m/s in a circle with radius 2 m. If the child's mass is 30 kg, what is the centripetal force?

Question 2

There are currently considered to be _________ basic building blocks for elementary particles and _________ different forces in the universe.
 a. 4 / 25
  b. 8 / 4
  c. 4 / 8
  d. 6 / 4
  e. 25 / 4



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SamMuagrove

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

240 N

Answer to Question 2

e




cool

  • Member
  • Posts: 570
Reply 2 on: Jul 28, 2018
Gracias!


at

  • Member
  • Posts: 359
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Cyanide works by making the human body unable to use oxygen.

For a complete list of videos, visit our video library