This topic contains a solution. Click here to go to the answer

Author Question: An airplane is flying with constant speed along a horizontal circle. Is the direction of its ... (Read 200 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
An airplane is flying with constant speed along a horizontal circle. Is the direction of its acceleration constant?
 
  What will be an ideal response?

Question 2

You hit a tennis ball over the net. When the ball reaches its maximum height, its speed is
 
  A) equal to its initial speed.
  B) less than its initial speed.
  C) greater than its initial speed.
  D) zero.
  E) gt.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Smiles0805

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

No. The acceleration is directed towards the center of the circle, so the acceleration vector rotates as the body rotates.

Answer to Question 2

B




biggirl4568

  • Member
  • Posts: 551
Reply 2 on: Jul 27, 2018
Gracias!


upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library