× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
Home Q & A Board Science-Related Homework Help Physics
New Topic  
retard23 retard23
wrote...
Go to Answer
Posts: 517
Rep: 0 0
6 years ago
Compact fluorescent bulbs typically last 10 years while incandescent bulbs last about 1 year.
 
  For a given amount of light, a tungsten bulb draws 100 W and a compact
  fluorescent bulb draws 15 W. If the cost of electricity is 0.10/kWh, how long would you
  have to operate a compact fluorescent bulb to save 5.00 compared to the costs of operating
  a tungsten bulb?
Read 72 times
1 Reply
Replies
Answer verified by a subject expert
jester1997!jester1997!
wrote...
#1
Posts: 359
Rep: 3 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

retard23 Author
wrote...

6 years ago
Good timing, thanks!
kc123
wrote...

Yesterday
Thanks
avance37
wrote...

2 hours ago
Helped a lot
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1249 People Browsing
 124 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 97
  
 171
  
 637
Your Opinion
What's your favorite math subject?
Votes: 293
Previous poll results: Which country would you like to visit for its food?