P1.2 Flashcards
1
Q
What can be done to energy?
A
It can be stored, transferred into useful forms.
2
Q
What equation do you use for finding the efficiency of an object?
A
Total energy in
3
Q
What equation do you use for finding payback time?
A
Cost of energy saved each year
4
Q
What is payback time?
A
Payback time is the time taken for the cost of a more efficient appliance to be paid by reduced energy bills
5
Q
What cannot be done to energy?
A
Energy cannot be created or destroyed.
