Question: Two fan blades have the same overall shape and the same total mass, but the wooden fan blade has a much larger outer radius than

Two fan blades have the same overall shape and the same total mass, but the wooden fan blade has a much larger outer radius than the steel fan b fans are originally at rest and then switched on to the highest setting at the same time, which fan will reach an angular velocity of

120

rad

/

s first?

(

.

they reach this angular velocity at the same time

.

the steel fan

.

the wooden fan

.

it is impossible to know with the information given

Two fan blades have the same overall shape and

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