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Engineering, 26.07.2019 17:20 alyssamonae

Asmooth sphere with a diameter of 90 mm is observed to fall through air at a temperature of 100 c with a terminal speed of 100 m/s. a) calculate the weight of the sphere. b) could the speed be increased by making the surface of the sphere rougher? support your answer. c) for these conditions, can the air be considered incompressible?

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