POWER Flashcards

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1
Q

Scientifically, ______ is the rate of doing work

A

Power

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2
Q

Power equals work over time. In other words, power is getting the most work done in the shortest amount of time

TRUE or FALSE?

A

TRUE

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3
Q

Power is measured in ______ or ______.

A

joules per second (J/s) or WATTS(w)

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4
Q

The unit of power is J/s is also known as watt, a unit named after ________, the inventor of the “steam engine”

A

James Watt

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5
Q

1 watt is equal to?

A

1 Joule per second

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6
Q

Sample problem #1

How much power was exerted to accomplish 350 Joules of work in 30 seconds?

A

11.66 Watts

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7
Q

Sample problem #2

How much power was exerted to accomplish 960 Joules of work in 80 seconds?

A

12 Watts

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8
Q

Sample problem #3

How much power was exerted to accomplish 330 Joules of work in 100 seconds?

A

3.3 Watts

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9
Q

Sample problem #4

How much power was exerted to accomplish 370 Joules of work in 30 seconds?

A

12.3 Watts

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