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
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 3 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 3 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]
26,495,560 questions answered
Popular Conversations
3a-5=-6a+1
Weegy: 3a - 5 = - 6a + 1 = a = 0.6666666667 or 2/3. Solution: 3a + -5 = -6a + 1; -5 + 3a = -6a + 1; -5 + 3a = 1 + ...
11/19/2017 2:37:56 PM| 3 Answers
Environmental print
11/22/2017 11:22:07 PM| 2 Answers
Identify the italicized word. Don gave his "teacher" the note. ...
Weegy: Word bank: (Subject. Predicate. Direct Object. Indirect Object. Predicate Nominative. Predicate Adjective) 1. ...
11/14/2017 7:53:22 PM| 2 Answers
3.85 x 10^-3
Weegy: (3.85 x 10) - 3 User: Give the number of significant figures in this number: 40.00 Weegy: number of ...
11/15/2017 9:18:26 AM| 2 Answers
Paul had three ways to use his allowance money: spend, save, or ...
Weegy: Paul had three ways to use his allowance money: spend, save, or donate. He decided to donate his money to ...
11/16/2017 10:10:42 AM| 2 Answers
Simplify the given equation. 17x - 6 + 3x - 5 = x + 11 + 4x
Weegy: 6 - (3x + 10) + 4(2 - x) = 15 User: (x^2 + 17x + 63) ÷ (x + 8) =
11/16/2017 1:37:20 PM| 2 Answers
What is the new deal?
Weegy: The Second New Deal is the term used by commentators at the time and historians ever since to characterize the ...
11/16/2017 1:53:34 PM| 2 Answers
Weegy Stuff
S
L
P
Points 186 [Total 311] Ratings 11 Comments 76 Invitations 0 Offline
S
P
L
P
Points 25 [Total 155] Ratings 0 Comments 25 Invitations 0 Offline
S
P
P
L
P
P
Points 20 [Total 1658] Ratings 0 Comments 20 Invitations 0 Offline
S
Points 4 [Total 4] Ratings 0 Comments 4 Invitations 0 Offline
S
Points 2 [Total 2] Ratings 0 Comments 2 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
S
Points 1 [Total 1] Ratings 0 Comments 1 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.