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

Author Question: A car travels 20 km west and then 20 km south. What is the magnitude of its displacement vector? ... (Read 99 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Jul 29, 2018
A car travels 20 km west and then 20 km south. What is the magnitude of its displacement vector?
 
  A) 20 km B) 0 km C) 40 km D) 28 km

Question 2

According to the current theory or standard model of elementary particles, which one of the following is truly an elementary particle?
 
  A) electron
  B) neutron
  C) proton
  D) All of the above.
  E) None of the above.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

britb2u

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

A


Mr. Wonderful

  • Member
  • Posts: 866
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

A cheetah strangling an impala, Timbavati Game Reserve, South Africa A cheetah strangling an impala, Timbavati Game Reserve, South Africa
Imperial Procession (detail), south frieze, Ara Pacis Augustae, Rome. Imperial Procession (detail), south frieze, Ara Pacis Augustae, Rome.
The bore and stroke of pistons are used to calculate an engine’s displacement. The bore and stroke of pistons are used to calculate an engine’s displacement.
Reconstructed West Front of the Altar from Pergamon (In Present-day Turkey) Reconstructed West Front of the Altar from Pergamon (In Present-day Turkey)
Genetics Vector Icon Genetics Vector Icon
Video: Sigmoidoscopy

For a complete list of videos, visit our video library