By definition, power is the amount of energy consumed (or produced) in a second. (or more precisely, it is the rate of change in energy).
so anything which uses energy in a known time period can be labeled with a power rating.
an example for power could be a nuclear plant; traditional nuclear plants produce somewhat close to 1 giga watts (which means 1 giga joules in a second)
What don’t you understand? If you haven’t uploaded anything
Answer:
There will be a force of gravity and a normal force coming from the track itself.
Explanation:
X
Hot air rises = it's less dense than cold air = falls
