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

Author Question: An object moves at a constant velocity of 12 m/s to the southwest for an interval of 20 s. Halfway ... (Read 82 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
An object moves at a constant velocity of 12 m/s to the southwest for an interval of 20 s. Halfway through this interval, what is the magnitude of its instantaneous velocity?
 a. It can be any value from 0 to 24 m/s.
  c. 12 m/s
  b. 6 m/s
  d. More information is needed.

Question 2

A hiker walks 200 m east and then walks 100 m north. In what direction is her resulting displacement?
 a. north
  c. northeast
  b. east
  d. None of the answers is correct.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Pariscourtney

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

C

Answer to Question 2

D




joesmith1212

  • Member
  • Posts: 549
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

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

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.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

For a complete list of videos, visit our video library