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

Author Question: A child runs and jumps tangentially onto an initially stationary playground merry-go-round. As a ... (Read 60 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
on: Jul 29, 2018
A child runs and jumps tangentially onto an initially stationary playground merry-go-round. As a result, the merry-go-round begins to turn. Explain in terms of the child-merry-go-round system.
 
  What will be an ideal response?

Question 2

In a particle accelerator, a proton reaches an acceleration of 9.0  1013 m/s2. The mass of a proton is 1.7  10-27 kg. What is the force on the proton?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

itsakadoozi

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 29, 2018
Answer to Question 1

The child has an initial angular momentum about the center of the merry-go-round. The total angular momentum of the system is conserved, so the merry-go-round must rotate when the child is on it.

Answer to Question 2

1.5  10-13 N


daltonest1984

  • Member
  • Posts: 536
Reply 2 on: Jul 29, 2018
:D TYSM

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Enamel defects due to malnutrition in a child from the Illinois valley (A.D. 600-1200). Enamel defects due to malnutrition in a child from the Illinois valley (A.D. 600-1200).
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f
One of the reasons I went to Cambodia was to interview a feral child—the boy shown here—who ... One of the reasons I went to Cambodia was to interview a feral child—the boy shown here—who ...
Adult, Child, and Infant CPR Standards Adult, Child, and Infant CPR Standards
A child with a Cochlear implant A child with a Cochlear implant
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library