superma2900 superma2900

19-01-2024
Physics

Answered

A coin is placed 28 cm from the center of a
horizontal turntable, initially at rest. The
turntable then begins to rotate. When the
speed of the coin is 120 cm/s (rotating at a
constant rate), the coin just begins to slip.
The acceleration of gravity is 980 cm/s
2
.
What is the coefficient of static friction be

Answer :

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