Find forces that act on parts of standard sewing machines
What are the forces that act on parts of the standard sewing machines. What other physic mechanisms are involved in a sewing machine?
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A thin film of alcohol lies on a flat glass plate. The reflected light is a minimum for 496 and a maximum for 620. What is the minimum thickness of the film?
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Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
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