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

Author Question: What is the root-mean-square value of the following velocity components: 2.0 m/s, -3.0 m/s, and 4.0 ... (Read 144 times)

skymedlock

  • Hero Member
  • *****
  • Posts: 561
What is the root-mean-square value of the following velocity components: 2.0 m/s, -3.0 m/s, and 4.0 m/s?
 
  A) 5.4 m/s
  B) 1.9 m/s
  C) 3.1 m/s
  D) 3.3 m/s
  E) 1.0 m/s

Question 2

Eleven molecules have speeds 16, 17, 18, . . . , 26 m/s. Calculate the root-mean-square of this group of molecules.
 
  A) 21.2 m/s
  B) 21.0 m/s
  C) 21.5 m/s
  D) 21.7 m/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

iman

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

A




skymedlock

  • Member
  • Posts: 561
Reply 2 on: Jul 29, 2018
Excellent


jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library