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

Author Question: Motor 1 does 30 J of work in 10 s, motor 2 does 2 J of work in 5 s, motor 3 does 7 J of work in 2 s, ... (Read 96 times)

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
on: Jul 28, 2018
Motor 1 does 30 J of work in 10 s, motor 2 does 2 J of work in 5 s, motor 3 does 7 J of work in 2 s, and motor 4 does 7 J of work in 3 s. List the motors in order of highest power produced to lowest power produced.
 a. 2, 4, 1, 3
  c. 1, 3, 4, 2
  b. 3, 4, 1, 2
  d. 3, 1, 4, 2

Question 2

Two electrons are separated by one cm. What is the ratio of the electric force to the gravitational force between them? (me = 9.11  10-31 kg, ke = 8.99  109 Nm2/C2, G = 6.67  10-11 Nm2/kg2, and e = 1.6  10-19 C)
 a. 1.3  1020
  c. 2.3  102
  b. 4.2  1042
  d. 3.1  1022


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joshbk44

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


crazycityslicker

  • Member
  • Posts: 537
Reply 2 on: Jul 28, 2018
:D TYSM

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

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

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

The work of Charles Darwin forms the foundation for modern evolutionary theory. The work of Charles Darwin forms the foundation for modern evolutionary theory.
As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ... As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ...
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
This bike actually flies—thanks to six horizontal propellers and a battery-powered motor. Changing ... This bike actually flies—thanks to six horizontal propellers and a battery-powered motor. Changing ...
Reorganization of the rat motor cortex following transection of the motor neurons that control ... Reorganization of the rat motor cortex following transection of the motor neurons that control ...
Somatic Motor Pathways Somatic Motor Pathways
Video: How antibiotics works? 💊

For a complete list of videos, visit our video library