Equations to learn

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Distance-time graphs
speed (m/s) x time (s) = distance (m)
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Velocity-time graphs
acceleration (m/s-squared) x time (s) = final velocity (m/s) - initial velocity (m/s)
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Resultant force
mass (kg) x acceleration (m/s-squared) = force (N)
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Work done
force (N) x distance moved in the direction of the force (m) = work done (J)
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Kinetic energy
1/2 mass (kg) x velocity-squared = kinetic energy
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Momentum
velocity (m/s) x mass (kg) = momentum (kg/m/s)
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Changing momentum
force (N) x time (s) change in momentum (kg/m/s)
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Resistance
resistance x current = potential difference
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Current
current x resistance = potential difference
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Alternating current
frequency (hertz) x time period (s) = 1
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Power of an appliance
power (watts) x time (s) = energy transferred (J)
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Power supplied
power (watts) x time (s) = energy transferred (J)
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Charge flow
current (amperes) x time (s) = charge flow (coulomb)
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Energy & potential business
charge flow (coulomb) x potential difference (volts) = energy transferred (J)
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Radioactive decay
Alpha - atomic number down 2, mass number down 4; Beta emission - atomic number up 1, mass number stays the same; Gamma emission - atomic number and mass number stay the same
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Other cards in this set

Card 2

Front

Velocity-time graphs

Back

acceleration (m/s-squared) x time (s) = final velocity (m/s) - initial velocity (m/s)

Card 3

Front

Resultant force

Back

Preview of the front of card 3

Card 4

Front

Work done

Back

Preview of the front of card 4

Card 5

Front

Kinetic energy

Back

Preview of the front of card 5
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