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
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.
tan 43 = either c, or d. grab your calculator.
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