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

Author Question: A child is standing at the rim of a rotating disk holding a rock, and throws a rock in direction (2) ... (Read 76 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
on: Jul 28, 2018
A child is standing at the rim of a rotating disk holding a rock, and throws a rock in direction (2) at the instant shown. The disk rotates freely without friction. What happens to the angular speed of the disk?
 
  1.increases
  2.remains the same
  3.decreases
  4.impossible to determine

Question 2

A child is standing at the rim of a rotating disk, and throws a rock radially outward at the instant shown. The disk rotates freely without friction. Which of the following statements is correct about the disk-child-rock system as the rock is thrown?
 


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aburgess

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 28, 2018
Answer to Question 1

1

Answer to Question 2



TVarnum

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


aburgess

  • Sr. Member
  • ****
  • Posts: 361
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

The direction of plant cell expansion is controlled by microfibrils and microtubules. Plant cells en The direction of plant cell expansion is controlled by microfibrils and microtubules. Plant cells en
Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa
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 ...
Johannes Vermeer, Woman Holding a Balance. Johannes Vermeer, Woman Holding a Balance.
A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ... A typical 1/2 inch drive air impact wrench. The direction of rotation can be changed to loosen or ...
Pelvis and knee rock. Hold the feet again for a moment, and move to the person’s right side. Place ... Pelvis and knee rock. Hold the feet again for a moment, and move to the person’s right side. Place ...
Video: Gastrin (gastric emptying) & Secretin (buffering gastric acid)

For a complete list of videos, visit our video library