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Physics Equations > Equations 2017 > Flashcards

Equations 2017 Flashcards

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1
Q

Force (F)

A

Force = Mass x Acceleration

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2
Q

Acceleration (A)

A

Acceleration = Change in Speed / Time

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3
Q

Speed (S)

A

Speed = Distance / Time

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4
Q

Power (P)

A

Power = Energy / Time

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5
Q

Weight (W)

A

Weight = Mass x Gravity

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6
Q

Work Done

A

Work Done = Force x Distance

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7
Q

Gravitational Potential Energy

A

Gravitational Potential Energy = Mass x Gravity x Height

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8
Q

Kinetic Energy

A

Kinetic Energy = 1/2 mass x Velocity* Squared

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9
Q

Density

A

Density = Mass / Volume

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10
Q

Force (Spring)

A

Force (Spring) = Spring Constant x Extension

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11
Q

Moment

A

Moment = Force x Perpendicular Distance

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12
Q

Momentum

A

Momentum = Mass x Velocity

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13
Q

Momentum Before

A

Momentum Before = Momentum After

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14
Q

Efficiency

A

Efficiency = Useful Energy / Total Energy x 100 (%)

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15
Q

Pressure

A

Pressure = Force / Area

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16
Q

Pressure 1 x Volume 1

A

Pressure 1 x Volume 1 = Pressure 2 x Volume 2

17
Q

Wave Speed

A

Wave Speed = Frequency x Wavelength

18
Q

Magnification

A

Magnification = Height of Image / Height Of Object

19
Q

Refractive Index

A

Refractive Index = Sin i / Sin r

20
Q

The Frequency controls what and is what?

A

The frequency controls pitch and is the number of waves per second

21
Q

The amplitude is what and controls what?

A

The amplitude is the height of a wave and controls the volume

22
Q

The quality is what and controls what?

A

The quality is the shape of the waves and controls the timbre

23
Q

Voltage

A

Voltage = Current* Squared x Resistance (V=I2R)

24
Q

Power

A

Power = Voltage x Current (P=VI)

25
Q

Current

A

Current = Voltage* Squared / Resistance (I=V2/R)

26
Q

Energy

A

Energy = Potential Difference x Current x Time (E=PDIT)

27
Q

Charge

A

Charge = Current x Time (C=IT)

28
Q

Voltage

A

Voltage = Energy / Charge

Physics Equations (1 decks)

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