APFIVE Fluid Viscosity and Terminal Velocity
Two identical spheres are released from rest in different fluids. Sphere A reaches a higher terminal velocity than sphere B. Which statement must be true about the fluids?
A
Fluid A has a higher density than fluid B
B
Fluid A exerts a greater buoyant force than fluid B
C
Fluid A has a lower viscosity than fluid B
D
Fluid A has a higher temperature than fluid B
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