SCI10 - Physics Part 1 + 2 Equations

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i feel so unprepared for this final... but that's my fault :P

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13 Terms

1
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potential energy

Ep = mgh

2
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kinetic energy

Ek = (½)mv2

3
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mechanical energy

Em = Ep + Ek

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the law of conservation of energy

Emi = Emf

5
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joules

J = (kg)(m2/s2)

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solving for velocity using the kinetic energy equation

v = sqrt(2Em/m)

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solving for mass using the kinetic energy equation

m = 2Ek/v2

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force (Newtons)

F = (kg)(m/s2)

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net force

Fnet = ma

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acceleration

a = (vi - vf)/t or the slope of a v-t graph

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velocity

v = m/s or the slope of a p-t graph

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efficiency

Eff% = (Output/Input)100

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work

W = Fd(cos θ)

θ = +1 if positive work done

θ = -1 if negative work done