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Atransverse wave is traveling on a string stretched along the horizontal x-axis. the equation for the vertical displacement y of the string is given by y = (1.8 x 10-3)cos[π(13x - 60t)], where all quantities are in si units. what is the maximum speed of a particle of the string

Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity