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

Author Question: An object moves at a constant velocity of 12 m/s to the southwest for an interval of 20 s. Halfway ... (Read 145 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


joesmith1212

  • Member
  • Posts: 549
Reply 2 on: Jul 28, 2018
Wow, this really help

bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

A Motor Protein Moves Microtubules in Cilia and Flagella A Motor Protein Moves Microtubules in Cilia and Flagella
These photos show a rat burying a test object from which it has just received a single mild shock. These photos show a rat burying a test object from which it has just received a single mild shock.
Velocity Velocity
If the particle moves in a circle of radius 0.15 m at a speed of 3.0 m/s, what is the magnitude ... If the particle moves in a circle of radius 0.15 m at a speed of 3.0 m/s, what is the magnitude ...
If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is If y = 0.02 sin (30x - 400t) (SI units), the velocity of the wave is
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: Virtual Tour of the Heart

For a complete list of videos, visit our video library