menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
If a device uses 280 watts of power a day, about how many kilowatt-hours will it use in 30 days?
asked
May 3, 2017
139k
views
5
votes
If a device uses 280 watts of power a day, about how many kilowatt-hours will it use in 30 days?
Physics
high-school
Jcolino
asked
by
Jcolino
8.6k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
0
votes
dont answer 8.4, its wrong
Plato
Pan Thomakos
answered
May 5, 2017
by
Pan Thomakos
7.5k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
1
vote
Given: 280 watts power a day
Unknown: KwH=?in 30 days
Solution: 280 watt-hours per day/1000x30 days
.28 x 30=n
Answer:8.4 kwh
Richselian
answered
May 9, 2017
by
Richselian
7.3k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Feb 15, 2021
205k
views
If a device uses 280 watts of power a day, about how many kilowatt-hours will it use in 30 days? a.) 6,700 kilowatt-hours b.)200 kilowatt-hours c.)8.4 kilowatt-hours d.)6.7 kilowatt-hours
FujiRoyale
asked
Feb 15, 2021
by
FujiRoyale
9.0k
points
Physics
college
1
answer
0
votes
205k
views
asked
Aug 10, 2024
184k
views
A certain refrigerator requires 140 watts of electricity per hour when it is running. The refrigerator typically runs about 30 minutes per hour. The cost per kWh is $0.13. If 1 kilowatt is equivalent to
Cameron Tinker
asked
Aug 10, 2024
by
Cameron Tinker
7.7k
points
Mathematics
college
1
answer
1
vote
184k
views
asked
Sep 18, 2024
158k
views
Val's whole-house central air conditioner uses 2,500 watts when running. Val runs the AC 5 hours per summer day. Electricity costs (15 cents)/(1 kilowatt-hour). How much does Val's AC cost to run for a
Hendrathings
asked
Sep 18, 2024
by
Hendrathings
8.4k
points
Mathematics
college
1
answer
4
votes
158k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.5m
questions
12.2m
answers
Other Questions
At sea level, water boils at 100 degrees celcius and methane boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org