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A wheel rotating with uniform acceleration covers 50 rev in the first five second after the start. Find the angular acceleration and the angular velocity at the end of five second.

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`theta=(1)/(2)alphat^(2)`
`thereforealpha=(2theta)/(t^(2))=(2(50)(2pi))/((5)^(2))`
`=(8pi)rad//s^(2)`
`=25.14rad//s^(2)`
`omega=(alpha,t)`
`=(8pi)(5)`
`=(40pi)rad//s`

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