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A small diamond of mass 15.9 g drops from a swimmer's earring and falls through the...

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Physics

A small diamond of mass 15.9 g drops from a swimmer's earringand falls through the water, reaching a terminal velocity of 1.9m/s.

(a) Assuming the frictional force on the diamond obeys f = −bv,what is b (in kg/s)? (Round your answer to at least four decimalplaces.)

(b) How far (in m) does the diamond fall before it reaches 90percent of its terminal speed?

Answer & Explanation Solved by verified expert
3.8 Ratings (453 Votes)
Part A Using Force balance on diamond Frictional force at terminal velocity Weight of diamond f Fg bv mg b mgv m mass of diamond 159 gm 159103 kg v 19 msec terminal    See Answer
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