A wave on a string is described by dxt 200cm sin 1257radmx, Ask an Expert

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A wave on a string is described by D(x,t) = (2.00cm)( sin[ (12.57rad/m)x - (638 rad/s)t ] ), where x is in meters and t is in seconds. The linear density of the string is 5.00g/meter. What are: a) the string tension? b) the max displacement of a point on the string? c) the max speed of a point on the string?

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