What is the maximum needle speed
A sewing machine needle moves with a rapid vibratory motion, rather like SHM, as it sews a seam. Suppose the needle moves 8.2 mm from its highest to its lowest position and it makes 27 stitches in 8.5 s. What is the maximum needle speed?
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A point charge 9.00 {rm nC} is at the center of a cube with sides of length 0.180 {rm m}. What is the electric flux through the surface of the cube?
Suppose the needle moves 8.2 mm from its highest to its lowest position and it makes 27 stitches in 8.5 s. What is the maximum needle speed?
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