Energy, Work & Power and Waves & EM Spectrum Formulae

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Physics

IGCSE Physics

Edexcel

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6 Terms

1
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Work done

Work done = force x distance (w=fd)

2
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GPE

GPE = mass x gravitational field strength x height (GPE = mgh)

3
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KE

KE = ½ x mass x speed2 (KE=1/2mv2)

4
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Power

Power = work done / time (P=w/t)

5
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Final speed

Final speed2 = initial speed2 + 2 x acceleration x distance moved (v2=u2+2as)

6
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Refractive Index

n=sin(i)/sin(r)