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PhysicsEquations > Equations > Flashcards

Equations Flashcards

1
Q

Relationship between average speed, distance moves and time taken

A

Average speed= distance moved/Time taken

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2
Q

Acceleration, change in velocity and time taken

A

Acceleration= change in velocity/time taken

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3
Q

Force,mass and acceleration

A

Force= Mass x acceleration

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4
Q

Weight, mass and g

A

Weight= mass x g

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5
Q

Momentum, mass and velocity

A

Momentum= mass x velocity

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6
Q

Force, change in momentum and time taken

A

Force= change in momentum/ time taken

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7
Q

Moment, force and perpendicular distance from the pivot

A

Moment= force x perpendicular distance from pivot

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8
Q

Power, current and voltage

A

Power= current x voltage

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9
Q

Energy transferred, current, voltage and time

A

Energy transferred= current x voltage x time

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10
Q

Voltage, current and resistance

A

Voltage= current x resistance

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11
Q

Charge, current and time

A

Charge= current x time

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12
Q

Energy transferred, charge and voltage

A

Energy transferred= charge x voltage

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13
Q

Density, mass and volume

A

Density= mass/ volume

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14
Q

Work done, force and distance moved

A

Work done= force x distance moved

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15
Q

Energy transferred and work done

A

Energy transferred= work done

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16
Q

Kinetic energy, mass and speed

A

1/2 x mass x (speed)2

17
Q

GPE, mass, g and height

A

GPE= mass x g x height

18
Q

Pressure,force and area

A

Pressure= force/ area

19
Q

Wave speed, frequency and wavelength

A

Wave speed= frequency x wavelength

20
Q

Turns and voltage for a transformer

A

Input voltage/output voltage= primary turns/ secondary turns

21
Q

Refractive index, angle of incidence and angle of refraction

A

n= sin i/ sin r

22
Q

Refractive index and critical angle

A

Sin c= 1/n

23
Q

Efficiency

A

Efficiency= useful energy output/ total energy output x 100%

24
Q

Pressure difference

A

Pressure difference= height x density x gravitational field strength

25
Q

For 100% efficiency

A

Input power= output power

PhysicsEquations (1 decks)

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