Equations Flashcards

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1
Q

Speed =

A

Speed = distance/time. s = d/t

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2
Q

Acceleration =

A
Acceleration = change in velocity/time
a = (v-u)/t
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3
Q

Force =

A

Force = mass x acceleration.

F=ma

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4
Q

Weight =

A
Weight = mass x gravitational field strength
W = mg
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5
Q

Charge Q =

A
Charge = current x time
Q = It
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6
Q

Wave Speed =

A

Wave Speed = frequency x wavelength

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7
Q

frequency =

A
frequency = 1/time period
f = 1/T
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8
Q

Efficiency =

A

Efficiency = useful energy output/total energy input

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9
Q

Density =

A
Density = mass/volume
p = m/v
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10
Q

Pressure =

A

Pressure = Force/Area

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11
Q

Pressure in a liquid =

A

Pressure in a liquid = depth x density x gravitational field strength
P = hpg

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