1.
What happens to the total energy in a closed system?
A
It decreases
B
It remains constant
C
It increases
D
It becomes zero
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What happens to the total energy in a closed system?
It decreases
It remains constant
It increases
It becomes zero
Which of the following represents the best example of energy conservation?
A battery being charged
A pendulum swinging back and forth
Water freezing into ice
A car accelerating on a highway