IDNLearn.com offers a reliable platform for finding accurate and timely answers. Our Q&A platform offers reliable and thorough answers to help you make informed decisions quickly and easily.

a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point on the outside rim travel during 30 seconds of rotation?​

Sagot :

50π m ≈ 157 m
Explanation:
100 rev/min (2π rad/rev) / (60 sec/min) = 3⅓π rad/s
d = ωrt = 3⅓π(0.50)(30) = 50π m ≈ 157 m