Power (P = W/t)
Also known as P = W/t · rate of doing work
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Learning zone
Power is the rate of doing work. Two students carrying identical boxes up the same stairs do the same work, but the one who sprints develops more power. One watt is one joule per second; James Watt's original horsepower — the unit he invented to sell steam engines — is about 746 W.
Power (P = W/t)
Where
- = Power
- = Work or energy
- = Time
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