Equations Flashcards

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1
Q

0.5 x mass x (speed)2

A

Kinetic

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2
Q

Mass x gravitational field strength x height

A

Gravitational Potential Energy

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3
Q

Energy transferred / time

A

Power

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4
Q

Work done / time

A

Power

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5
Q

Useful output energy transfer / total input energy transfer

A

Efficiency

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6
Q

Useful power output / total power input

A

Efficiency

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7
Q

Current x time

A

Charge flow

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8
Q

Current x resistance

A

Potential difference

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9
Q

Potential difference x current

A

Power

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10
Q

(Current)2 x resistance

A

Power

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11
Q

Charge flow x potential difference

A

Energy transferred

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12
Q

Mass / volume

A

Density

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13
Q

Pressure x volume

A

Constant

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14
Q

Mass x gravitational field strength

A

Weight

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15
Q

Force x distance

A

Work done

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16
Q

Force normal to a surface / area of that surface

A

Pressure

17
Q

Height of column x density of liquid x gravitational field strength

A

Pressure due to a column of liquid