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Science > Physics > Flashcards

Physics Flashcards

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1
Q

What is the equation for efficiency?

A

Useful Energy / Total Energy.

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2
Q

What is the equation for useful energy?

A

Efficiency * Total Energy

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3
Q

What is the equation for total energy?

A

Useful Energy / Efficiency

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4
Q

What is the equation for cost?

A

Power (in kilowatts (kW)) * time (in hours) * cost per unit

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5
Q

How do you convert minutes to hours?

A

Minutes / 60

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6
Q

How do you convert watts to kilowatts?

A

W / 1000

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Science (5 decks)

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