conservation of energy Flashcards
4.3
1
Q
what is useful energy?
A
energy transferred for an intended purpose
2
Q
what is wasted energy?
A
energy transferred for an intended purpose
3
Q
what is efficiency?
A
the ratio of useful energy output to total energy input
4
Q
what is efficiency?
A
useful energy output/ total energy output x 100
5
Q
what number should efficiency give you?
A
a decimal between 0 and 1
6
Q
when is an object the most efficient?
A
when it has the least wasted energy
