Equations Flashcards
1
Q
Pressure difference
A
Height x density x gravity
2
Q
Pressure
A
Force / area
3
Q
Density
A
Mass / volume
4
Q
Speed
A
Distance / time
5
Q
Acceleration
A
Change in velocity / change in time
6
Q
Kinetic energy
A
Half x mass x velocity squared
7
Q
G.P.E
A
Mass x Gravity x Height
8
Q
(Electric) power
A
Current x Voltage
9
Q
Voltage
A
Current x Resistance
10
Q
Efficiency
A
Useful energy / (Total energy) x 100
11
Q
Boyle’s law
A
P1 V1 = P2 V2
12
Q
Gay Lussac’s Law
A
P1 / T1 = P2 / T2
13
Q
Force (not pressure)
A
Mass x Acceleration
14
Q
Charge
A
Current x Time
Q=IT
15
Q
Wavespeed
A
Frequency x wavelength
f x λ
