Formulaaass ahh Flashcards
(21 cards)
1
Q
Speed
A
distance/time
2
Q
velocity of waves
A
velocity=wavelengthxfrequency
3
Q
Force in relation to m and a
A
F=ma
4
Q
Acceleration
A
change in velocity/time
5
Q
frequency
A
1/time
6
Q
kinetic energy
A
1/2mv^2
7
Q
potential
A
mgh
8
Q
pressure in solids
A
p=f/a
9
Q
pressure in liquids
A
p= density x gravity x mass
10
Q
power
A
work done (or energy) /time
11
Q
work done
A
forcex distance
12
Q
gravity on moon
A
1.6
13
Q
Density
A
mass/volume
14
Q
moments
A
force*perpendicular distance
15
Q
Weight
A
mg
16
Q
The gradient of the Distance time graph
A
Speed
17
Q
The gradient of the speed-time graph
A
Acceleration
18
Q
Refractive index (No unit given)
A
n2/n1 = sin i/sin r n1 = refractive index in medium 1 n2 = refractive index in medium 2 θ i= angle of incidence θr = angle of refraction refractive index in air = 1
19
Q
Refractive index (n)
A
Speed of light in a vacuum/Speed of light in a medium
20
Q
Speed of light
A
3x10^8 (In the air)
21
Q
Critical angle
A
Sin θc = 1/n
θc = critical angle
n = refractive index
