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Speed/Distance

Please answer each question with step by step solution please. Thanks!

1) A high speed sander has a disk of 9.11 cm in radius that rotates about its axis at a constant rate of 1170 rev/min. Find the angular speed of the disk in rad/sec.

2) Find the linear speed of a point 0.902cm from the disks center in m/s.

3) Find the centripetal acceleration of a point on the rim in m/s^2.

4) Find the total distance traveled by a point on the rim in 1.48sec in units of m.

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$2.19