(b) A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is rotating at 850 rev/min. You press an axe against the rim with a normal force of 160 N (see below), and the grindstone comes to rest in 7.50 s. Find the coefficient of kinetic friction be- tween the axe and the grindstone. There is negligible friction in the bearings. m = 50.0 kg F = 160 N
(b) A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is rotating at 850 rev/min. You press an axe against the rim with a normal force of 160 N (see below), and the grindstone comes to rest in 7.50 s. Find the coefficient of kinetic friction be- tween the axe and the grindstone. There is negligible friction in the bearings. m = 50.0 kg F = 160 N
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![(b) A grindstone in the shape of a solid disk with diameter 0.520 m and a
mass of 50.0 kg is rotating at 850 rev/min. You press an axe against
the rim with a normal force of 160 N (see below), and the grindstone
comes to rest in 7.50 s. Find the coefficient of kinetic friction be-
tween the axe and the grindstone. There is negligible friction in the
bearings.
m = 50.0 kg
F = 160 N](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe741b908-2030-4af5-a433-7577fbcf94ed%2F144b0284-96a2-41b2-9c4e-7b1276e43955%2Fmp9ljra_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(b) A grindstone in the shape of a solid disk with diameter 0.520 m and a
mass of 50.0 kg is rotating at 850 rev/min. You press an axe against
the rim with a normal force of 160 N (see below), and the grindstone
comes to rest in 7.50 s. Find the coefficient of kinetic friction be-
tween the axe and the grindstone. There is negligible friction in the
bearings.
m = 50.0 kg
F = 160 N
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