3-2-28-09 Cosmos

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Postulates 3-2-28-11

3-2-28-10 * Define the Power of an Object in Space.

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Operationally define the Power of an Object in Space quantitatively.

In physics, power is the rate at which work is done, or the rate at which energy is consumed. ...

PW/t or PE/t

When using the unit watt, 1 watt equals to expenditure of 1 joule of energy in 1 second. Sometimes watt is just way too small for us to measure power.  On an electricity bill, we use kilowatt (kw) instead.

1 kw 1000w.

We use the name watts (w), in memory of James Watt, the man who invented the steam engine

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