AQA physics Eqations
問題一覧
1
Kinetic energy = ½ × mass × speed²
2
GPE = mass × gravitational field strength × height
3
Power = work done/time taken = energy transfered/te taken
4
effectively = useful energy output/Total energy input
5
elastic potential energy = 0.5 × spring constant × (extension)²
6
change in thermal energy = mass × specific heat capacity × temperature change
7
Weight = mass × gravitational field strength
8
Work done = force × distance
9
Force = spring constant × extension
10
pressure = force normal to a surface/ area of that surface
11
Distance travelled = speed × time
12
Acceleration = change in velocity/ time taken Final velocity - Initial velocity/ time taken
13
Resultant force = mass × acceleration
14
Momentum = mass × velocity
15
Pressure = height of column × density of liquid × gravitational field strength
16
Final velocity² - initially velocity = 2 × acceleration × distance
17
Force = change in momentum/ time taken
18
Density = mass/volume
19
thermal energy for a change in state= mass × specific latent heat
20
pressure × volume = constant
21
wave speed = frequency × wavelength
22
time period = 1/frequency
23
magnification = image height/object height
24
Charge flow = current × time
25
potential difference = current × resistance
26
total resistance = resistance component 1 + resistance of component 2
27
power = (current)² × resistance
28
energy transferred = charge flow × potential difference
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12問 • 2年前問題一覧
1
Kinetic energy = ½ × mass × speed²
2
GPE = mass × gravitational field strength × height
3
Power = work done/time taken = energy transfered/te taken
4
effectively = useful energy output/Total energy input
5
elastic potential energy = 0.5 × spring constant × (extension)²
6
change in thermal energy = mass × specific heat capacity × temperature change
7
Weight = mass × gravitational field strength
8
Work done = force × distance
9
Force = spring constant × extension
10
pressure = force normal to a surface/ area of that surface
11
Distance travelled = speed × time
12
Acceleration = change in velocity/ time taken Final velocity - Initial velocity/ time taken
13
Resultant force = mass × acceleration
14
Momentum = mass × velocity
15
Pressure = height of column × density of liquid × gravitational field strength
16
Final velocity² - initially velocity = 2 × acceleration × distance
17
Force = change in momentum/ time taken
18
Density = mass/volume
19
thermal energy for a change in state= mass × specific latent heat
20
pressure × volume = constant
21
wave speed = frequency × wavelength
22
time period = 1/frequency
23
magnification = image height/object height
24
Charge flow = current × time
25
potential difference = current × resistance
26
total resistance = resistance component 1 + resistance of component 2
27
power = (current)² × resistance
28
energy transferred = charge flow × potential difference