equations paper 1 0.0 / 5 ? Sciencecombined scienceGCSEEdexcel Created by: Ellie.KeenCreated on: 21-01-20 16:52 How do you workout total magnification? (Bio) Mag of eyepiece x mag of objective lens 1 of 20 How do you work out magnification? (Bio) image size / actual size 2 of 20 how can you work out the rate of reaction? (Bio) 1000 / time 3 of 20 how can you work out BMI? (Bio) mass / height^2 4 of 20 how can you work out waist:hip? (Bio) hip / waist 5 of 20 how do you work out the Rf value? (Chem) distance moved by substance / distance moved by solvent 6 of 20 how do you work out the RAM? (Chem) total atom mass / total number of atoms 7 of 20 how do you work out the concentration? (Chem) mass of solute / volume 8 of 20 how do you work out the number of moles? (Chem) mass / mr 9 of 20 how do you work out the distance travelled? (Phys) average speed x time 10 of 20 how do you work out the acceleration? (Phys) change in velocity / time taken 11 of 20 how do you work out the force? (Phys) mass x acceleration 12 of 20 how do you work out weight? (Phys) mass x gravitational field strength 13 of 20 how do you work out momentum? (Phys) mass x velocity 14 of 20 how do you work out efficiency? (Phys) useful energy transferred / total energy supplied 15 of 20 how do you work out wave speed? (Phys) frequency x wavelength 16 of 20 how do you work out wave speed? (Phys) distance / time 17 of 20 how do you work out the change in GPE? (Phys) mass x GFS x change in height 18 of 20 how can you work out kinetic energy? (Phys) 1/2 x mass x speed^2 19 of 20 how do you work out the percentage change? (final - initial ) / initial (x100) 20 of 20

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