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

Author Question: A child sits on a merry-go-round, 1.5 meters from the center. The merry-go-round is turning at a ... (Read 160 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
on: Jul 29, 2018
A child sits on a merry-go-round, 1.5 meters from the center. The merry-go-round is turning at a constant rate, and the child is observed to have a radial acceleration of 2.3 m/s2.
 
  How long does it take for the merry-go-round to make one revolution?

Question 2

The electric field strength in the space between two closely spaced parallel disks is 1.0  105 N/C. This field is the result of transferring 3.9 x 109 electrons from one disk to the other.
 
  What is the diameter of the disks? (e = 1.60  10-19 C, 0 = 8.85  10-12 C2/N  m2)
  A) 3.0 cm
  B) 1.5 cm
  C) 4.5 cm
  D) 6.0 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cegalasso

  • Sr. Member
  • ****
  • Posts: 295
Reply #1 on: Jul 29, 2018
Answer to Question 1

5.1 s

Answer to Question 2

A


aabwk4

  • Member
  • Posts: 593
Reply 2 on: Jul 29, 2018
Wow, this really help

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Child with cerebral palsy has abnormal muscle tone and lack of physical coordination. Child with cerebral palsy has abnormal muscle tone and lack of physical coordination.
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
New Yorkers flee from the dust caused by the collapse of the twin towers of the World Trade Center f New Yorkers flee from the dust caused by the collapse of the twin towers of the World Trade Center f
Preschool and child care afford opportunities for many new experiences but also can be stressful for ... Preschool and child care afford opportunities for many new experiences but also can be stressful for ...
The receptive fields of an on-center cell and an off-center cell. The receptive fields of an on-center cell and an off-center cell.
Turning Play into Work Turning Play into Work
Video: Import of Dietary Glucose from Intestines to Bloodstream

For a complete list of videos, visit our video library