or
Join Now!
|
|
Home/Science & Technology/Science Careers
|
| Forum |
Ask A Question |
Question Board |
FAQs |
Search |
Return to Question Board
| Question Details |
Asked By |
Asked On |
| science |
peaches |
10/29/02 |
Which of these will usually decrease the ampunt of energy used when a machine does work?
F. reduceing the size of the machine.
G. reduceing the weight of he machine
H. reducing the friction in the machine.
J. reducing the exhaust produced by the machine.
which of these is a requirement for a geothermal power plant.
A. strong prevailing winds throughtout the year.
B. a source of uranium ore that is easily mined.
C. a source of subterranean heat near Earths surface.
D. several days each year with clear skies and high temperatures. |
|
Your Options |
Additional Options are only visible when you login! !
|
|
|
|
