Asked by TeeKay

Suppose a smooth glass-top table is tilted slowly. The angle, A, at which a glass plate on the table begins to slide is 43º. Use the equation mg sin A = umg cos A to determine the coefficient of friction, u.

A)0.43

B)0.22

C)0.90

D)0.93

Answers

Answered by bobpursley
tanA=mu
tan 43 = either c, or d. grab your calculator.
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