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6.4 Exercise 17

Avg difficulty 2.5

A small diamond of mass 10.0 g drops from a swimmer’s earring and falls through the water, reaching a terminal velocity of 2.0 m/s. (a) Assuming the frictional force on the diamond obeys f=−bv,f = − b v , what is b? (b) How far does the diamond fall before it reaches 90 percent of its terminal speed?

OpenStax University Physics Volume 1, 6.4 Drag Force and Terminal Speed, exercise 17

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.