Calculating Rotation and Movement of a Rotating Fan at 0.17m Radius

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In summary, the rotating fan completes 1200 revolutions per minute and has a point on the tip of a blade at a radius of 0.17 m. (a) The distance the point moves in one revolution is equal to the circumference of the circle it travels on, which is 2πr, or 0.17π m. (b) The speed of the point can be calculated by dividing the distance traveled by the time it takes, which is equal to 1200/60 = 20 revolutions per second. Therefore, the speed of the point is 0.17π * 20 m/s, or approximately 3.39 m/s. (c) The magnitude of its acceleration can be calculated using
  • #1
tjcreamer9
6
0
A rotating fan completes 1200 revolutions every minute. Consider a point on the tip of a blade, at a radius of 0.17 m.
(a) Through what distance does the point move in one revolution?
m
(b) What is the speed of the point?
m/s
(c) What is the magnitude of its acceleration?
m/s2
(d) What is the period of the motion?
s
 
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  • #2
i have converted my units and still don't understand why i keep coming up wit .057 for part d. i need some guidence
 
  • #3
tjcreamer9 said:
i have converted my units and still don't understand why i keep coming up wit .057 for part d. i need some guidence

Show us your calculation so we can see what you're doing.
 

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