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Flashcards in Equations Deck (20)
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1

Distance

Speed x time

2

Acceleration

Change in velocity over time

3

Force

Mass x acceleration

4

Weight

Mass x gravitational field strength

5

Efficiency

Useful energy transferred over total energy supplied

6

Momentum

Mass x velocity

7

Wave speed

Frequency x wavelength

8

Wave speed

Distance over time

9

Density

Mass over volume

10

Work done

Force x distance moved in direction of force

11

Change in GPE

Mass x GRF x change in vertical height

12

KE

0.5 x mass x (speed) squares

13

Power

Work done over time

14

Energy transferred

Charge moved x potential difference

15

Charge

Current x time

16

Potential difference

Current x resistance

17

Power

Energy transferred over time

18

Electrical power (1)

Current x potential difference

19

Electrical power (2)

Current squared x resistance

20

Force exerted on a spring

Spring constant x extension