Rotating Fan A rotating fan completes 1200revolutions every minute. Consider a p

Question

Rotating Fan A rotating fan completes 1200revolutions every minute. Consider a point on the tip of a blade,at a radius of 0.13 m. (a) Through what distance does the point movein one revolution?
1????m
(b) What is the speed of the point?
2??? m/s
(c) What is the magnitude of its acceleration?
3??? m/s2
(d) What is the period of the motion?
4??? s (a) Through what distance does the point movein one revolution?
1????m
(b) What is the speed of the point?
2??? m/s
(c) What is the magnitude of its acceleration?
3??? m/s2
(d) What is the period of the motion?
4??? s

Explanation / Answer

Angular speed w = 1200 rev / min                            =1200 * 2 rad / 60 s                          = 125.66 rad / s radius r= 0.13 m (a). distnce = 2 r = 0.8186 m (b).speed v = rw                  = 16.33 m / s (c). Accleration = rw^ 2                        = 2052.75 m / s6 2 (d). period T = 2 / w                    = 0.05 s

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