A high-speed sander has a disk 400 cm in radius that, Ask an Expert

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A high-speed sander has a disk 4.00 cm in radius that rotates about its axis at aconstant rate of 1265 rev/min. Determine

(a) the angular speed of the disk in radians persecond,

rad/s

(b) the linear speed of a point 2.2 cmfrom the disk's center,

m/s

m/s2

(d) the total distance traveled by a point on the rim in1.96 s.

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