Equations Physics CS (Higher) Flashcards

1
Q

How do you calculate force?

A

Force = change in momentum ÷ time

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2
Q

How do you calculate energy transferred?

A

Energy transferred = current x potential difference x time

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3
Q

How do you calculate change in thermal energy?

A

Change in thermal energy = mass x specific heat capacity x change in temperature

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4
Q

How do you calculate thermal energy needed for a change in state?

A

Thermal energy needed for a change in state = mass x specific latent heat

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5
Q

How do you calculate energy transferred in stretching?

A

Energy transferred in starching = 1/2 x spring constant x (extension)²

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6
Q

How do you calculate work done?

A

Work done = force x distance moved in the direction of the force

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7
Q

How do you calculate power?

A

Power= work done ÷ time taken

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8
Q

How do you calculate energy transferred from charge moved?

A

Energy transferred= charge moved x potential difference

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9
Q

How do you calculate charge?

A

Charge = current x time

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10
Q

How do you calculate power from energy transferred?

A

Power = energy transferred ÷ time taken

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11
Q

How do you calculate electrical power?

A

Electrical power=current x potential difference

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12
Q

How do you calculate electrical power from resistance?

A

Electrical power= (current)² x resistance

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13
Q

How do you calculate density?

A

Density = mass ÷ volume

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14
Q

How do you calculate force extracted on a spring?

A

Force extracted on a spring = spring constant x extension

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15
Q

How do you calculate distance travelled?

A

Distance= speed x time

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16
Q

How do you calculate acceleration?

A

Acceleration = change in velocity ÷ time taken

17
Q

How do you calculate weight?

A

Weight = mass x gravitational field strength

18
Q

How do you calculate momentum?

A

Momentum = mass x velocity

19
Q

How do you calculate change in gravitational potential energy?

A

Change in gravitational potential energy = mass x gravitational x change in vertical hight

20
Q

How do you calculate kinetic energy?

A

Kinetic energy = 1/2 x mass x (speed)²

21
Q

How do you calculate efficiency?

A

Efficiency = useful energy transfered by device ÷ total energy supplied to devices

22
Q

How do you calculate wave speed?

A

Wave speed = frequency x wavelength

23
Q

How do you calculate wave speed using distance?

A

Wave Speed = distance ÷ time

24
Q

How do you calculate force using mass?

A

Force = mass x acceleration

25
Q

How do you calculate potential difference?

A

Potential difference = current x resistance