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 142 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

kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Bow shock formed by the magnetosphere of LL Orionis (center) as it collides with the Orion Nebula fl Bow shock formed by the magnetosphere of LL Orionis (center) as it collides with the Orion Nebula fl
Renzo Piano, Jean-Marie Tjibaou Cultural Center, Nouméa, New Caledonia. 1991–98. Renzo Piano, Jean-Marie Tjibaou Cultural Center, Nouméa, New Caledonia. 1991–98.
Adam Kahn, Brockholes Visitor Center. Adam Kahn, Brockholes Visitor Center.
Supervised role-play can help a child feel more at ease during office visits. Supervised role-play can help a child feel more at ease during office visits.
A section of the retina. The fovea is the indentation at the center of the retina; it is specialized ... A section of the retina. The fovea is the indentation at the center of the retina; it is specialized ...
Child-resistant Packaging Child-resistant Packaging
Video: Premenstrual Syndrome

For a complete list of videos, visit our video library