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 101 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
Thanks for the timely response, appreciate it

covalentbond

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

« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Stimulation of the Motor Cortex Stimulation of the Motor Cortex
Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m Change in Drawing Abilities from Early to Middle Childhood Drawings become more realistic as fine m
Where Professional Psychologists Work Primary employment settings for PhD recipients in psychology. Where Professional Psychologists Work Primary employment settings for PhD recipients in psychology.
Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ... Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ...
Multiple sclerosis is characterized by damage to the myelin sheath surrounding the axons of motor ... Multiple sclerosis is characterized by damage to the myelin sheath surrounding the axons of motor ...
A Painter At Work A Painter At Work
Video: Smoking Cessation

For a complete list of videos, visit our video library