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Flashcards in Formulae Deck (19):
1

Force of an object

Mass x acceleration

2

Suvat equations

S=ut+1/2at^2

S=vt-1/2at^2

V^2=u^2+2as

V=u+at

S=((u+v)/2)t

3

Kinetic energy

Ke=1/2mv^2

4

Gpe

mass x gravity x height

5

Weight

mass x gravity

6

Pressure

Force / area

7

Momentum

Force x distance

8

Pressure

mass x velocity

9

Density

Mass / volume

10

Pressure

Density x gravity x height

11

Stress

Force/cross sectional area

12

Strain

Extension / original length

13

Young’s modulus

Stress / strain

14

Work done

Force x distance

15

Power

Work done / time

16

Plank’s equation

Plank’s constant x frequency = kinetic energy + work done

17

Fringe separation

(Wavelength x distance) / slit distance

18

Drift velocity equation

Current = number density x cross sectional area x mean drift velocity x 1.6x10^-19

19

Current

Change in charge / change in time