A rotating wheel

A wheel mounted on a stationary axle starts at rest and is given the following angular acceleration:

α = 9 12 t (in SI units) \alpha = 9 -12 t \quad \text{ (in SI units) }

where t t is the time after which the wheel begins to rotate. Find the number of revolutions that the wheel turns before it stops (and begins to turn in the opposite direction).


The answer is 0.53.

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1 solution

Rajdeep Bharati
Mar 25, 2016

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