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4 cards from this section. Quick, good the night before a test.
What is the formula for calculating power?
Think about the relationship between how much work is done and how quickly it happens.
If 200 Joules of work is done in 10 seconds, what is the power output?
Use the power formula.
What does the unit 'Watt' measure?
Think of how power relates to work.
True or False: Power is the same as energy.
Reflect on their definitions.
A wind turbine generates 1500 Watts of power. If it operates for 4 hours, how much energy does it produce in kilowatt-hours?
Convert Watts to kilowatts and pay attention to the time unit.
A car engine has a power output of 250 horsepower. Convert this to Watts.
Use the conversion factor between horsepower and Watts.
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