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A transverse traveling wave on a cord is represented by D = 0.56 sin(6.4x + 82t) where D and x are in meters and t is in seconds.
(a) Determine the wavelength.
m
(b) Determine the frequency.
Hz
(c) Determine the velocity (magnitude and direction).
m/s
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +19.7 km/s to -19.1 km/s.
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he lower block in the figure is pulled on by a rope with a tension force of 20 N. The coefficient of kinetic friction between the lower block & the surface is 0.30. The coefficient of kinetic friction between the lower block & the upper block is a..
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