A Small Sphere Is Allowed to Fall Through Air,and When

question 75

Multiple Choice

A small sphere is allowed to fall through air,and when the sphere has a speed of 4.8 × 10^-4 m/s,the viscous force on the sphere is 3.0 × 10^-15 N.If the viscosity of air is 1.4 × 10^-5 N·s/m²,what is the radius of the drop?

• A)2.4E-8 m
• B)8.4E-6 m
• C)2.3E-7 m
• D)8.5E-7 m

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Definitions:

Defects

Imperfections, faults, or flaws in a product or process that deviate from the desired specifications or standards.

C-chart

A control chart used for monitoring the number of defects per unit in manufacturing or production processes.

Control Limits

Statistical boundaries set within control charts in process control to identify whether a process is in a state of control.

Average Diameters

The mean value of diameters measured across different points or objects, providing a single representative dimension.