P1 equations Flashcards by Freya Gorely

Q

What’s the equation for energy transferred?

A

E = m x c x 0

Energy transferred =mass x temperature change x SPH

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Q

How do you calculate efficiency?

energy

A

Efficiency = useful energy out / total energy in ( x 100 % )

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Q

How do you calculate efficiency?

power

A

Efficiency = useful power out / total power in ( x 100%)

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Q

What is the equation for energy transferred in terms of power and time?

A

E = p x t

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Q

What is the equation for wavespeed?

A

Speed = Frequency x Wavelength

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