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3- A centrifuge starts from rest and reaches an angular velocity of 30000 rpm in 5.0 s.What is the angular acceleration in rad/s' of this

3- A centrifuge starts from rest and reaches an angular velocity of 30000 rpm in 5.0 s.What is the angular acceleration in rad/s' of this device?4- An automobile engine slows from 3000 rpm to 500 rpm in 4.0 s. What is the angular displacement of the engine during this time period?Please show all work or otherwise I can't learn it!

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3- A centrifuge starts from rest and reaches an angular velocity of 30000 rpm in 5.0 s. What is the angular acceleration in rad/s of this device? 4- An automobile engine slows from 3000 rpm to 500 rpm in 4.0 s. What is the angular displacement of the engine during this time period

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