If a point in the rim of 16 cm diameterfly wheel travels 7000 meterin a minute through how many does the radian wheel turns in two seconds
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In 2 seconds flywheel turns 972.2 radians.
Step-by-step explanation:
Radius of the flywheel is r=242=12cm
In one rotation the flywheel traverses d=2⋅π⋅r=2⋅π⋅12=75.4cm
Number of rotation to cover 7000 meters in 2 minutes is n=7000⋅10075.4=9284 times
Number of rotation in 2 seconds is n2=9284120⋅2=154.73 times
In 1 rotation flywheel turns 2⋅π radians
Therefore in 154.73 rotation flywheel turns 2⋅π⋅154.73=972.2 radians. [Ans]
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