Pete St. John
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Learn about power as the rate of doing work, and how to calculate it using the formula P = W / t. Find out the unit of power, watt, and the difference between instantaneous and average power with examples and FAQs.
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Learn the various meanings and uses of the word power as a noun, verb, and adjective. Find synonyms, examples, etymology, and related phrases for power.
POWER definition: 1. ability to control people and events: 2. the amount of political control a person or group has…. Learn more.
It is a measure of the rate at which work is done (or similarly, at which energy is transferred). The ability to accurately measure power was one of the key abilities which allowed early engineers to develop the steam engines which drove the industrial revolution.
- V= instantaneous velocity; Since acceleration and velocity are in the same equation, then the velocity is changing (accelerating) over time, so it...
- If you know how much energy is being converted per unit time, that is all you need to calculate power. Ex. measure the current from the battery in...
- Vinitial is 0, therefore it is 1/2Vfinal
- Hello Alex, In general I would agree. In both cases you end up with joules / time. Watch out for context. It seems each field of study has it's own...
- Area under a power vs. time graph is the equivalent of integrating power with respect to time, which gives work or change in energy. To find averag...
- This is actually a very good way to think about it. Its good to know equations sometimes, but you just solved a rather tricky problem in a very ele...
Power definition: ability to do or act; capability of doing or accomplishing something. See examples of POWER used in a sentence.
Learn the meaning of power as a noun and a verb in English, with examples of different types and uses of power. Find translations of power in other languages and related words.
Learn the various meanings and uses of the word power in English, from control and influence to energy and mathematics. Find synonyms, examples, pronunciation, and related terms for power.
