Equations Flashcards
1
Q
Mass, acceleration, resultant force:
A
Force = mass X acceleration
2
Q
Kinetic energy
A
1/2 mv^2
3
Q
Displacement, force, work done
A
Work done = force X displacement
4
Q
GPE
A
GPE = mass X height X g
5
Q
Power, time, energy:
A
Power = energy / time
6
Q
Momentum
A
Mass X velocity
7
Q
Hooke’s law
A
F = k x extension
8
Q
Stress
A
Force / area
9
Q
Strain
A
Extension / original length
10
Q
Wave speed
A
Frequency X wavelength
11
Q
What is intensity proportional to?
A
Amplitude ^2
12
Q
Diffraction grating
A
d X sin theta = n X wavelength
13
Q
Charge, time, current
A
Charge = current X time
14
Q
Voltage, charge, work done
A
Voltage = work done / charge
15
Q
Resistance, current^2, power
A
Power = current^2 X resistance
