Equations Flashcards

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1
Q

Equation for kinetic energy

A

Kinetic energy =0.5 X mass X (speed)^2

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2
Q

Equation for gravitational potential energy

A

Gravitational potential energy= mass X gravitational field atrength X height

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3
Q

Equation for power and energy transferred

A

Power= Energy transferred / time

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4
Q

Equation for power and work done

A

Power= Work done / time

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5
Q

Equation for efficency and energy transfer

A

Efficiency= Useful output energy transfer / total input energy transfer

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6
Q

Equation for efficiency and power

A

Efficiency = useful power output/ total power input

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7
Q

Equation for charge flow

A

Charge flow = current X time

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8
Q

Equation for potential difference

A

Potential difference = current X resistance

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9
Q

Equation for power and potential difference

A

Power = potential difference X current

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10
Q

Equation for power and resistance

A

Power = (current)^2 X resistance

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11
Q

Equation for energy transfferred and power

A

Energy transferred = Power X time

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12
Q

Equation for energy transferred and charge flow

A

Energy transferred = charge flow X potential difference

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13
Q

Equation for density

A

Density = mass / volume

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14
Q

Equation for weight

A

Weight = mass X gravitational field strength

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15
Q

Equation for work done

A

Work done = force X distance

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16
Q

Equation for force

A

Force = spring constant X extension

17
Q

Equation for distance

A

Distance = speed X time

18
Q

Equation for acceleration

A

Acceleration = change in velocity / time taken

19
Q

Equation for resultant force

A

Resultant force = mass X acceleration

20
Q

Equation for momentum

A

Momentum = mass X velocity

21
Q

Equation for wave speed

A

Wave speed = frequency X wavelength