The displacement of an object oscillating on a spring is given by: x(t)=A cos(ωt+φ). At t = 0, the block starts at x = A/3 and moves to the right. The phase constant, φ, is
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1 answer

x(t)=A cos(ωt+φ)
at t = 0, x = A/3 so
A/3 = A cos(φ)
cos(φ) = 1/3
φ = 1.23 radians or 1.23 radians
make sure the velocity is to the right (
dx/dt =  Aω sin(ωt+φ)
at t = 0
dx/dt =  Aω sin(φ)
better use the negative one if it is going right :) 👍
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answered by Anonymous
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