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 210 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
Great answer, keep it coming :)

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Turning cell phones into basic research tools with apps Turning cell phones into basic research tools with apps
Treating the younger school-age child Treating the younger school-age child
To keep the foot under the center of gravity, the biped’s femur is angled from hip to knee. The quad To keep the foot under the center of gravity, the biped’s femur is angled from hip to knee. The quad
Giotto, Madonna and Child Enthroned. Giotto, Madonna and Child Enthroned.
Initiation of a new round of replication before completion of the preceding round Initiation of a new round of replication before completion of the preceding round
Inside Round Inside Round
Video: Electrical changes in the heart

For a complete list of videos, visit our video library