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Flashcards in Equations Deck (31)
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1
Q

Mass =

A

Weight / GFS

Force / acceleration

Momentum / velocity

Kinetic energy / (0.5 x speed squared)

GPE / (GFS x height)

Density x volume

2
Q

Weight =

A

Mass x GFS

3
Q

GFS =

A

Weight / mass

GPE / (mass x height)

4
Q

Work done =

A

Force x distance

Power x time

5
Q

Force =

A

Work done / distance

Mass x acceleration

6
Q

Distance =

A

Work done / force

Speed x time

7
Q

Speed =

A

Distance / time

Square root of [KE / (0.5 x mass)]

8
Q

Time =

A

Distance / speed

Change in velocity / acceleration

Energy transferred / power

Work done / power

Charge flow / current

9
Q

Momentum =

A

Mass x velocity

10
Q

KE =

A

0.5 x mass x speed squared

11
Q

Velocity =

A

Momentum / mass

12
Q

GPE =

A

Mass x GFS x height

13
Q

Height =

A

GPE / (mass x GFS)

14
Q

Power =

A

Energy transferred / time

Work done / time

PD x current

Current squared x resistance

15
Q

Energy transferred =

A

Power x time

Charge flow x potential difference

16
Q

Efficiency =

A

Useful output energy transfer / total input energy transfer

Useful power output / total power output

17
Q

Useful power output =

A

Efficiency x total power output

18
Q

Total power output =

A

Useful energy output / efficiency

19
Q

Wave speed =

A

Frequency x wavelength

20
Q

Frequency =

A

Wave speed / wavelength

21
Q

Wave length =

A

Wave speed / frequency

22
Q

Charge =

A

Current x time

Energy transferred/ PD

23
Q

Current =

A

Charge / time

PD / resistance

Power / PD

Square root of (power / resistance)

24
Q

PD =

A

Current x resistance

Energy transferred/ charge

Power / current

25
Q

Resistance =

A

PD / current

Power / current squared

26
Q

Density =

A

Mass / volume

27
Q

Useful output energy transfer =

A

Efficiency x total input energy transfer

28
Q

Total input energy =

A

Useful output energy transfer / efficiency

29
Q

Acceleration =

A

Change in velocity/ time taken

Force / mass

30
Q

Change in velocity =

A

Acceleration x time taken

31
Q

Volume =

A

Mass / density