Get to know the formula sheet Flashcards
1
Q
Ep=mgh
A
potential energy = mass x gravitational field strength x height
- Potential energy in joules
- Mass in kilograms
- Gravitational field strength in Newtons per kilogram
- Height in metres
2
Q
Ek=1/2mv^2
A
Kinetic Energy = 0.5 x mass x velocity squared
- Kinetic energy in joules
- mass in kilograms
- velocity in m/s
3
Q
Q=It
A
Charge = Current x time
- Charge in coulombs
- Current in Amperes
- time in seconds
4
Q
V=IR
A
Voltage = Current x Resistance
- Voltage in volts
- Current in Amperes
- Resistance in Ohms
5
Q
P=E/t
A
Power = Energy divided by time
- Power in Watts
- Energy in joules
- time in seconds
6
Q
P=IV
A
Power = Current x voltage
- Power in watts
- Current in amperes
- Voltage in volts
7
Q
Eh=cm(change in)T
A
Heat energy = specific heat capacity x mass x change in temperature
- Heat energy in joules
- Specific heat capacity in Joules per kilogram
- Mass in kilograms
- change in Temperature in Degrees celcius
8
Q
p=F/A
A
Pressure = Force divided by Area
- Pressure in Pascal’s
- Force in Newton’s
- Area in metres squared
9
Q
d=vt
A
Distance = velocity x time
- Distance in metres
- Velocity in m/s
- Time in seconds
10
Q
v=f(lambda)
A
velocity = frequency x Wavelength
- Velocity in m/s
- frequency in hertz
- Wavelength in metres
11
Q
T=1/f
A
Period = 1 divided by frequency
- Period in seconds
- Frequency in Hertz
