A 0.3-mdiameter soccer ball, pressurized to 20 kPa, develops a small leak with an area equivalent to 0.006 mm2. If viscous effects are neglected and the air is assumed to be incompressible, determine the flowrate through the hole. Would the ball become noticeably softer during a 1-hr soccer game? Explain. Is it reasonable to assume incompressible flow for this situation? Explain.
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