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Flashcards in Equations Deck (18)
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1

kinetic energy =

1/2 x mass x speed²

2

gravitational potential energy =

mass x gravitational field strength x height

3

power =

work done/energy transferred
________________________
time

4

efficiency =

useful energy/power output
______________________
total energy/power input

5

charge =

current x time

6

potential difference =

current x resistance

7

total resistance =

resistance of component 1 + resistance of component 2

8

power =

current x potential difference
current² x resistance

9

energy transferred =

power x time
charge x potential difference

10

density =

mass
_____
volume

11

wavespeed =

frequency x wavelength

12

weight =

mass x gravitational field strength

13

work done =

force x distance

14

force applied to a spring =

spring constant × extension

15

pressure =

force
_____
area

16

distance =

speed x time

17

resultant force =

mass × acceleration

18

momentum =

mass x velocity