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Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully).
(a) What is the force constant of the spring in such a scale if it stretches 7.90 cm for a 10.5 kg load?
N/m
(b) What is the mass of a fish that stretches the spring 5.50 cm?
kg
(c) How far apart are the half-kilogram marks on the scale?
mm
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Establish angles subtended by the moon and the sun
selzer estimates the total cost of servicing the warranties will be $120,000 for 2 years. Estimate revenues earned on basis of costs incurred an estimated costs.
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