The tangential velocity at the point, 0.16 m from the axis is 13.44 m/s.
We have the following information;
Angular speed of the blade = 800rev/min
Radius of the point under consideration = 0.16m
We have to convert the angular velocity to units of rad/s
Given that;
1 rev/min = 0.105 rad/s
800rev/min = 800rev/min × 0.105 rad/s/1 rev/min
= 84 rad/s
Now;
v = rω
v = Tangential velocity
r = radius
ω = angular velocity
v = 0.16m × 84 rad/s
v = 13.44 m/s
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