Solution cont’d

• x(t)= (6.0m) cos( 3?t + ?/3)

• (d) phase = ?t+? = 3?t + ?/3 = (19/3)? rads

• (e) ?= 2?/T = 2? f ==> f = ?/ 2? = 1.5 s-1

• (f) T=1/f = 2/3 s

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