Author Question: The safest category of electric meters is: A) Category I. B) Category II. C) Category III. D) ... (Read 107 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
The safest category of electric meters is:
 
  A) Category I. B) Category II. C) Category III. D) Category IV.

Question 2

A technician pushes a 50-lb box 4 feet in 2 seconds. The work done is:
 
  A) 50 lb  4 ft = 200 ft-lb. B) 4 ft-lb.
  C) 200 ft-lb/2 s = 100 ft-lb/s. D) 50 lb.



yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

For a complete list of videos, visit our video library