AQA Physic Equations

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  • Created by: DunnillE
  • Created on: 20-03-18 18:27
What is the equation for Work done?
Force x Distance
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What is the equation for GPE?
Mass X Gravitational Field Strength x Change in height
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What's the equation for Kinetic Energy?
1/2 x mass x velocity squared
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What is the equation for EPE?
1/2 x Spring Constant x Extension squared
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What is the equation for efficiency?
Useful Energy Transferred/ Total Input Energy ( X 100)
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What's the equation for Power?
Energy/Time
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What's the equation for energy needed?
Mass x Specific Heat Capacity x Change in temperature
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What is the equation for current?
Charge in coulombs/ Time
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What's the equation for potential difference in volts?
Energy/ Charge
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What is the equation for resistance?
Potential difference in volts/ current
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What is the equation for resistance total?
R1+R2+R3...
11 of 42
What is the equation for frequency?
1/Time taken for 1 cycle
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What is the equation for energy?
Power x Time
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What's the equation for current?
Power / Time
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What's the equation for energy?
Potential difference x charge in coulombs
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What is the equation for density?
Mass/Volume
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What's the equation for specific latent heat?
Energy / Mass
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What's the equation for pressure?
Constant/Volume
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What's the equation for efficiency?
output power/ input power (x 100)
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What is the equation for count rate after n half-lives?
Initial count rate/ 2n
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What is the equation for the turning effect of a force called its moment?
Force x Distance
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What is the equation for speed in m/s?
Distance/Time
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What is the equation for acceleration in m/s squared?
(final velocity - the intial velocity)/time taken
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What's the equaion for final speed squared?
Initial speed squared + 2 x accelerarion x distance
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What's the equation for the resultant force?
mass x acceleration
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What's the equation for weight?
Mass x acceleration due to gravity in m/s squared
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What's the equation for momentum?
Mass x velocity
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What's the equation for the impact force?
mass x change in velocity/ time
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What's the equation for the impact force?
change in momentum/ time
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Whats the equation for change in momentum?
Mass x change in velocity
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What's the equation for Hooke's law (force)?
Spring constant (N/m) x extension (m)
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What's the equation for pressure (Pa)?
Force x Cross-sectional Area at right angles.
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What's the equation for pressure?
height of liquid x the density of liquid x gravitational field strength
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What's the equation for a period of a wave?
1/frequency
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What is the equation for the speed of a wave?
frequency x wavelength
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What's the equation for distance travelled by an ultrasound pulse?
speed of ultrasound wave x time
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What's the equation for magnification?
image height/ object height
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What's the equation for force on the conductor (N)?
Magnetic flux density (T) x current (Amps) x length of conductor
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What's the equation for the potential difference across the primary and secondary coils is related to the number of turns on each coil?
Primary Coil in volts/Secondary Coil in Volts = Number of turns in primary coil/ No. of turns in secondary coil
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What is the equation for pressure due to a column of liquid?
height of column x density liquid x gravtional field strength
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What is the equation for constant with gases?
pressure of gas x volume
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what is the equation for change in momentum?
force x time taken
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Other cards in this set

Card 2

Front

What is the equation for GPE?

Back

Mass X Gravitational Field Strength x Change in height

Card 3

Front

What's the equation for Kinetic Energy?

Back

Preview of the front of card 3

Card 4

Front

What is the equation for EPE?

Back

Preview of the front of card 4

Card 5

Front

What is the equation for efficiency?

Back

Preview of the front of card 5
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