Notice: Payments for answers will end 4/10/2017. Click for more info.
You have new items in your feed. Click to view.
Question and answer
Q: A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine? A. 96 percent B. 92 percent C. 94 percent D. 97
percent
A: The answer is: A. 94 percent (which is easily calculated, 3760/4000x100).
Get an answer
Original conversation
User: A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine? A. 96 percent B. 92 percent C. 94 percent D. 97 percent

Weegy: The answer is: A. 94 percent (which is easily calculated, 3760/4000x100).
Koolsum|Points 1456|

User: A car travels from Boston to Hartford in 4 hours. The two cities are 240 kilometers apart. What was the average speed of the car during the trip? A. 960 km/hour B. 36 km/hour C. 60 km/hour D. 4 km/hour

Weegy: C. 60 km/hour
taben29|Points 777|

User: . An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon? A. 20 N B. 1,176 N C. 12.24 N D. 196 N

Weegy: C. 196 N
stan_r|Points 1382|

User: According to Ptolemy's model of the movement of celestial bodies, A. planets orbit in circular paths around the earth. B. the sun is the center of the universe. C. the earth rotates around the moon. D. the earth rotates around the sun.

Weegy: According to Ptolemy's model of the movement of celestial bodies,: C. planets orbit in circular paths around the earth.
andrewpallarca|Points 27593|

User: A man standing on a bus remains still when the bus is at rest. When the bus moves forward and then slows down the man continues moving forward at the original speed. This is an example of the effect of A. weight. B. velocity. C. gravity. D. inertia.

Weegy: A man standing on a bus remains still when the bus is at rest. When the bus moves forward and then slows down the man continues moving forward at the original speed. This is an example of the effect of velocity. [ ]
Expert answered|wisbest|Points 2850|

Question
Asked 11/20/2013 1:47:20 PM
0 Answers/Comments
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
Faith's pink ribbons are an example of a A. fable. B. symbol. C. genre. D. parable.
Question
Expert Answered
Updated 91 days ago|11/24/2017 9:56:48 AM
1 Answer/Comment

Faith's pink ribbons are an example of a Symbol.

Added 91 days ago|11/24/2017 9:56:40 AM
This answer has been confirmed as correct and helpful.
The survival of the fittest is an idea promoted by A. Carl Jung. B. Friedrich Nietzsche. C. Karl Marx. D. Charles Darwin
Weegy: The survival of the fittest is an idea promoted by Charles Darwin. User: The purpose of the expedition Buck takes with Thornton and his partners is to A. deliver mail. B. hunt for food. C. find a new camp. D. search for a gold mine. (More)
Question
Not Answered
Updated 94 days ago|11/21/2017 6:35:10 AM
1 Answer/Comment
The purpose of the expedition Buck takes with Thornton and his partners is to search for a gold mine.
Added 94 days ago|11/21/2017 3:29:13 AM
This answer has been confirmed as correct and helpful.
Confirmed by Masamune [11/21/2017 6:35:11 AM]
26,655,070 questions answered
Popular Conversations
What is 3x3 11x2 26x 30 divided by x 5?
Weegy: 3X3 = 9 11X2 = 22 26X30 = 780
2/20/2018 7:03:35 PM| 9 Answers
Suppose the U.S. can produce cars for a lower opportunity cost than ...
Weegy: Suppose the U.S. can produce cars for a lower opportunity cost than Japan while Japan has a comparative ...
2/13/2018 7:30:37 PM| 4 Answers
Solve this equation: 80 = 3y + 2y + 4 + 1. A. y = 1/5 B. ...
Weegy: 80 = 3y + 2y + 4 + 1 80 = 5y + 5 80 - 5 = 5y -5y = -75 y = 15 User: Solve the inequality: 12p + 7 > 139 ...
2/14/2018 2:20:46 PM| 3 Answers
Solve the equation: 12y = 132. A. y = 11 B. y = 144 ...
Weegy: 12y = 132 User: Solve this equation: 2s + s + 12 = 132. A. s = 40 B. s = –30 C. s = 9 D. ...
2/14/2018 2:32:47 PM| 3 Answers
What is equilibrium?
Weegy: Equilibrium is the state in which market supply and demand balance each other and, as a result, prices become ...
2/21/2018 9:09:11 PM| 3 Answers
Solve for x. 4x + 3 < 9
2/18/2018 11:19:06 AM| 3 Answers
Simplify and solve this equation for q: 3q + 5 + 2q – 5 = 65. ...
Weegy: 3q + 5 + 2q - 5 = 65 User: Solve the following inequality: 38 4 B. x 28 Weegy: 38 User: Use an ...
2/19/2018 12:26:32 AM| 3 Answers
In Elizabethan theater, ____ was especially important because there ...
Weegy: In Elizabethan theater, Imagery really important because there were no elaborate special effects,lighting ,or ...
2/19/2018 5:34:46 PM| 2 Answers
Weegy Stuff
S
L
Points 393 [Total 396] Ratings 12 Comments 243 Invitations 3 Offline
S
Points 89 [Total 89] Ratings 0 Comments 19 Invitations 7 Offline
S
P
L
P
P
Points 65 [Total 258] Ratings 0 Comments 65 Invitations 0 Offline
S
1
L
L
P
R
P
L
P
P
R
Points 57 [Total 12668] Ratings 0 Comments 57 Invitations 0 Offline
S
Points 50 [Total 50] Ratings 5 Comments 0 Invitations 0 Online
S
P
Points 41 [Total 85] Ratings 1 Comments 31 Invitations 0 Offline
S
P
Points 16 [Total 33] Ratings 0 Comments 16 Invitations 0 Offline
S
Points 14 [Total 14] Ratings 0 Comments 14 Invitations 0 Online
S
Points 10 [Total 10] Ratings 1 Comments 0 Invitations 0 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.