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

Author Question: An airplane is flying with constant speed along a horizontal circle. Is the direction of its ... (Read 95 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
:D TYSM

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra Retrograde pyelogram. A contrast medium is injected into the ureter using a cystoscope, and the X-ra
Speed of Earth Speed of Earth
How to evaluate a function containing the constant k How to evaluate a function containing the constant k
Stretch arm overhead. Stand to the side facing the same direction as the recipient. Hold onto the ... Stretch arm overhead. Stand to the side facing the same direction as the recipient. Hold onto the ...
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
The charge for telephone calls T is partly constant and partly varies with the number N of ... The charge for telephone calls T is partly constant and partly varies with the number N of ...
Video: Definition of heart rate

For a complete list of videos, visit our video library