1answer.
Меню
Ask question
Login
Signup
Ask question
Menu
All categories
English
Mathematics
Social Studies
Business
History
Health
Geography
Biology
Physics
Chemistry
Computers and Technology
Arts
World Languages
Spanish
French
German
Advanced Placement (AP)
SAT
Medicine
Law
Engineering
Marina86
[1]
3 years ago
13
If the boat's engine has a heat of 40,000 J, with 30,000 J exhausted into the surroundings (the heat sink), what is its efficien
cy? Show your work.
Physics
Answer
Comment
Send
1
answer:
Yuliya22
[10]
3 years ago
7
0
The answer to your quistion will be 75%
Send
You might be interested in
A house is wired so that one electrical source comes to a room but many outlets and lights work from that source . when one ligh
Misha Larkins [42]
The room is wired as a parallel circuit
5
0
4 years ago
A basketball is tossed upwards with a speed of 5.0 m/s. We can ignore air resistance. What is the maximum height reached by the
strojnjashka [21]
Answer:
the maximum height is 1.276 meters
4
0
3 years ago
About light and energy
Sophie [7]
E = MC^2. Albert Einstein's proven formula. When mass travels at the square of speed of light, the mass gets converted into energy
7
0
3 years ago
What was the largest group in the colonies in the year leading up to the American revoulation
Degger [83]
Answer: The English origin was the largest
7
0
2 years ago
Read 2 more answers
Which element contains a full 2p orbital in its valence shell
alex41 [277]
So Neon ( Ne) is the correct answer.
3
0
3 years ago
Read 2 more answers
Other questions:
Identify two types of nuclear reactions in which the equations E= mc^2 applies.
5
·
1 answer
Which of these is the best exclamation for why to negatively charged balloons, if put close, will repel?
14
·
1 answer
A constant force is exerted for a short time interval on a cart that is initially at rest on an air track. This force gives the
9
·
1 answer
How are the three lines of defense the same
12
·
2 answers
The energy of a photon is inversely proportional to the wavelength of the radiation. (T/F)
12
·
1 answer
earth exerts a downward gravitational force of 8.9 n on a cake that is resting on a plate. the plate exerts a force of 11.0 n up
7
·
1 answer
What is the purpose of the traveling gnome experiment? (Search up traveling gnome experiment)
10
·
1 answer
Unlike addition polymers, condensation polymers form from _____.
8
·
2 answers
What type of energy does friction produce?
6
·
1 answer
Prepare a summary to explain how much the final birds varied from the original birds after 1 million years of natural selection.
15
·
1 answer
×
Add answer
Send
×
Login
E-mail
Password
Remember me
Login
Not registered?
Fast signup
×
Signup
Your nickname
E-mail
Password
Signup
close
Login
Signup
Ask question!