Calculate the force required to pull a copper ball of
Calculate the force required to pull a copper ball of radius 1.50 cm upward through a fluid at the constant speed 7.00 cm/s. Take the drag force to be proportional to the speed, with proportionality constant 0.950 kg/s. Ignore the buoyant force.
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1 a 130 ml stock solution contains 5 m bacl2 when 27 ml of the stock solution is diluted to 75 ml how many moles of ba2
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1 a 19 ml sample of a solution of li2s was diluted with water to 81 ml a 25 ml sample of the dilute solution was found
calculate the force required to pull a copper ball of radius 150 cm upward through a fluid at the constant speed 700
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