# physics

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the angular frequency of a particle in a progressive wave in an elastic medium is 100.(3.14) rads^-1.and it is moving with a velocity of 200 ms^-1. the phase difference between two particles separated by a distance of 20cm is
options:

• physics -

λ=2•π•v/ω,
Δφ = 2•π•Δx/λ =
= ω•Δx/v

• physics -

dont know

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