P1 equations Flashcards
1
Q
What’s the equation for energy transferred?
A
E = m x c x 0
Energy transferred =mass x temperature change x SPH
2
Q
How do you calculate efficiency?
energy
A
Efficiency = useful energy out / total energy in ( x 100 % )
3
Q
How do you calculate efficiency?
power
A
Efficiency = useful power out / total power in ( x 100%)
4
Q
What is the equation for energy transferred in terms of power and time?
A
E = p x t
5
Q
What is the equation for wavespeed?
A
Speed = Frequency x Wavelength