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22 Cards in this Set

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Weight=

W=mg

Force on a spring=

F=ke (spring constant x extension in m)

acceleration=

change in speed / change in time

momentum=

mv

GPE=

GPE = mgh

power=

P = E / t

efficiency=

useful output / total input

charge=

Q=It

Power=

P=IV

Energy transferred=

E = P x t

Density=

d = m / V

Work done=

W = Fs (s being distance)

Distance travelled=

D = s x t

resultant force=

F = m x a (mass x acceleration)

kinetic energy=

2


KE = 1/2mv

power=

P = W / t

Wave speed=

v = f x λ

potential difference=

V = IR

Energy transferred=

E = Pt

Power=

2


P = I R

Pressure=

P = F / A

Moment=

Moment = Fd (force x perpendicular distance from pivot)