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  3. (a) you pull a solid zinc ball with a density of 7

(a) You pull a solid zinc ball with a density of 7.14 g/cm3 and a radius...

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Physics

(a) You pull a solid zinc ball with a density of 7.14g/cm3 and a radius of 1.10 cm upward through a fluid ata constant speed of 7.00 cm/s. The fluid exerts a drag force thatis directly proportional to speed, and the proportionality constantis 0.950 kg/s. What is the magnitude of the force (in N) you exerton the ball? (You may ignore the buoyant force.)


________N

(b)

What If? By what percentage would the upwardforce exerted on the zinc ball have to be increased for the speedof the ball in the fluid to increase to double its originalvalue?

________%

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