A rotating fan completes 1200 revolutions every minute . Consider a point on the tip of the blade, which has a radius of 0.15 m, what is its acceleration?
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ω = 1200 × 2π/60
= 40 π rad/s
v = r ω
= 0.15 × 40 π
= 6 π m/s
Acceleration = v^2 / r
= (6 π)^2 / 0.15
= 2368.70 m/s^2
Acceleration of point at tip of the blade is 2368.70 m/s^2
= 40 π rad/s
v = r ω
= 0.15 × 40 π
= 6 π m/s
Acceleration = v^2 / r
= (6 π)^2 / 0.15
= 2368.70 m/s^2
Acceleration of point at tip of the blade is 2368.70 m/s^2
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