An electric fan has blades of length 30 cm
measured from the axis of rotation. If the fan is
rotating at 120 rpm, the acceleration of a point on
the tip of the blade is
(a) 1600 ms⁻² (b) 47.4 ms⁻²
(c) 23.7 ms⁻² (d) 50.55 ms⁻²
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An electric fan has blades of length 30cm as measured from the axis of rotation. If the fan is rotating at 1200r±, find the acceleration of a point on the tip of a blade.ac=ω2r=(40π)2×30100=480π2ms-2
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Answer:
An electric fan has blades of length 30 cm
measured from the axis of rotation. If the fan is
rotating at 120 rpm, the acceleration of a point on
the tip of the blade is
(a) 1600 ms⁻²
(b) 47.4 ms⁻²
(c) 23.7 ms⁻²
(d) 50.55 ms⁻² ✔️✔️
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