1 revolution every 40 minutes what is the angular velocity in radians per hour

what is the angular velocity of a diner in radians per hour if the table makes 1 revolution every 40 minutes?
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1 Answer

thats angular SPEED      (not "velosity")

1 rev/40 minut... 40/60=2/3 av 1 our

so speed=3/2 rev/our

1 rev=2pi radians

1.5*2*3.14159

=9.42477 radians/our
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