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Physics formulas IGCSE

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steenie's version from 2015-05-19 14:11

Section 1

Question Answer
acceleration change in velocity/time taken
forcemass x acceleration
weightmass x gravity
momentummass x velocity
momentforce x perpendicular distance from the pivot
resultant forcechange in momentum/time taken
memorize

Section 2

Question Answer
powercurrent x voltage
voltagecurrent x resistance
chargecurrent x time
energy transferred current x voltage x time
wave speed frequency x wavelength
refractive index (n)sin i / sin r
sin c1/n
frequency1/time period
memorize

Section 3

Question Answer
efficiencyuseful energy output / total energy
work doneforce x distance moved
GPEmass x gravity x height
KE1/2 x mass x velocity^2
energy transferredwork done
power work done/time taken
memorize

Section 4

Question Answer
densitymass/volume
pressureforce/area
pressure differenceheight x density x gravity
p1 x v1p2 x v2
p1/t1p2/t2
v1/v2n1/n2
v1 x i1v2 x i2
memorize

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