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m = 50.0 kg
F = 160 N
A grindstone in the shape of a solid disk with diameter
0.520 m and a mass of 50.0 kg is rotating at 810 rev/min. You press an
ax against the rim with a normal force of 190 N
grindstone comes to rest in 7.10 s. Find the coefficient of friction be-
tween the ax and the grindstone. You can ignore friction in the bearings.
and the
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Transcribed Image Text:m = 50.0 kg F = 160 N A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is rotating at 810 rev/min. You press an ax against the rim with a normal force of 190 N grindstone comes to rest in 7.10 s. Find the coefficient of friction be- tween the ax and the grindstone. You can ignore friction in the bearings. and the
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