Math
Math, 18.10.2019 10:00, mathmatics9898

An electric fan rotates 100 times in 50 s. if the length of its wing from its axis of rotation is 0.5

m, then the speed of particle at the edge of the wing is

(a) 2 π m / s (b) 0.5 π m / s (c) π m / s (d) 2 m / s

and how

answer
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An electric fan rotates 100 times in 50 s. if the length of its wing from its axis of rotation is 0....

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