equations to learn (physics)

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  • Created by: abi2422
  • Created on: 21-11-20 16:35
what is the equation for kinetic energy?
kinetic energy = ½ x mass x speed²
Ek = ½mv²
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what is the equation for gravitational potential energy?
GPE = mass x gravitational field strength x height
Ep = mgh
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what is the equation linking time, power and work done?
power = (work done)/(time taken)
P = W/t
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what is the equation linking power, time and energy transferred?
power = (energy transferred)/(time taken)
P = E/t
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what is the equation linking efficiency, total energy output, and useful energy output?
efficiency = (useful energy output)/(total energy output)
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what is the equation linking total power output, useful energy output and efficiency?
efficiency = (useful power output)/(total power output)
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what is the equation for charge flow?
charge flow = current x time
Q = It
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what is the equation linking current, potential difference, and resistance?
potential difference = current x resistance
V = IR
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what is the equation for total resistance?
total resistance = resistance of component 1 + resistance of component 2
RT = R1 + R2
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what is the equation that links power, current, and potential difference?
power = current x potential difference
P = IV
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what is the equation that links resistance, power, and current?
power = (current)² x resistance
P = I²R
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what is the equation that links power, time, and energy transferred?
energy transferred = power x time
E = Pt
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what is the equation that links energy transferred, potential difference and charge flow?
energy transferred = charge flow x potential difference
E = QV
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what is the density equation?
density = mass x volume
p = m/V
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what is the equation that links frequency, wavelength, and wave speed?
wave speed = frequency x wavelength
v = fλ
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what is the equation for time period?
time period = 1/frequency
T = 1/f
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what is the equation for magnification?
magnification = (image height)/(object height)
M = HI/HO
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what is the equation for weight?
weight = mass x gravitational field strength
W = mg
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what is the equation involving force, work done, and distance?
work done = force x distance
W = Fs
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what is the force equation?
force = spring constant x extension
F = ke
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what is the equation for the moment of a force?
moment of a force = force x distance
M = Fd
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what is the equation involving pressure, area of that surface and force normal to a surface?
pressure = (force normal to a surface) / (area of that surface)
p = F/A
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what is the distance travelled equation?
distance travelled = speed x time
s = vt
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what is the equation that links change in velocity and acceleration?
acceleration = (change in velocity)/(time taken)
a = Δv/t
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what is the equation that involves acceleration and initial velocity?
acceleration = (final velocity - initial velocity) / (time taken)a = (v- u)/t
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what is the equation for resultant force?
resultant force = mass x acceleration
F = ma
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what is the equation for momentum?
momentum = mass x velocity
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Other cards in this set

Card 2

Front

what is the equation for gravitational potential energy?

Back

GPE = mass x gravitational field strength x height
Ep = mgh

Card 3

Front

what is the equation linking time, power and work done?

Back

Preview of the front of card 3

Card 4

Front

what is the equation linking power, time and energy transferred?

Back

Preview of the front of card 4

Card 5

Front

what is the equation linking efficiency, total energy output, and useful energy output?

Back

Preview of the front of card 5
View more cards

Comments

abi2422

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sorry guys there are a few mistakes e.g. density = mass/volume 

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