Ask
your own question, for FREE!
Physics
10 Online
OpenStudy (anonymous):
49 tamela12 Please help What is the efficiency of a device that takes in 40,000 J of heat and does 12,000 J of work while giving off 28,000 J of heat? Use and convert to a percentage. A. 57% B. 43% C. 30% D. 70%
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
VAN1LLA:
{ *~ The bestfriend's betrayal ~*} Part 1 : Childhood past- All of us have heard about those two unseperable souls destined to be bestfriends, or whatever y
addison123456:
2 AM Thoughts Itu2019s funny how things can shift so quickly, how someone can come into your life and turn everything upside down in the best way.
ShikuniShigana:
I'm making a lil analog horror thingy, what do y'all think of it?
VAN1LLA:
{ *~ The bestfriend's betrayal ~*} Part 1 : Childhood past- All of us have heard about those two unseperable souls destined to be bestfriends, or whatever y
17 hours ago
14 Replies
2 Medals
addison123456:
2 AM Thoughts Itu2019s funny how things can shift so quickly, how someone can come into your life and turn everything upside down in the best way.
1 day ago
6 Replies
4 Medals
ShikuniShigana:
I'm making a lil analog horror thingy, what do y'all think of it?
2 days ago
10 Replies
1 Medal
