« previous next »

Author Question: While a stone is falling neglecting air resistance, A) its speed is changing. B) the direction ... (Read 23 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
on: Jul 29, 2018
While a stone is falling neglecting air resistance,
 
  A) its speed is changing.
  B) the direction of its velocity is downward.
  C) it is accelerated.
  D) All of the above.
  E) None of the above.

Question 2

A catcher stops a 0.15-kg ball traveling at 40 m/s in a distance of 20 cm. What is the magnitude of the average force that the ball exerts against his glove?
 
  What will be an ideal response?


blakeserpa

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

600 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Relationships between direction of flow of blood and water or air in different vertebrates. Relationships between direction of flow of blood and water or air in different vertebrates.
The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth The monthly changes of angle between the direction of illumination by the Sun and viewing from Earth
Posteroanterior direction Posteroanterior direction
Reversible phosphorylation and direction of mRNP nuclear export Reversible phosphorylation and direction of mRNP nuclear export
Changing a Sterile Dressing Changing a Sterile Dressing
A Changing Planet — 1e A Changing Planet — 1e
Video: Blood Test Basics

For a complete list of videos, visit our video library