Physics

Physics

Problem

A wheel initially rotating at

6\,\text{rad s}^{-1}

is subjected to an angular acceleration of

2\,\text{rad s}^{-2}

for

4\,\text{s}

and immediately after to

-3\,\text{rad s}^{-2}

for

2\,\text{s}

. Calculate its final angular velocity. a)

0\,\text{rad s}^{-1}

b)

14\,\text{rad s}^{-1}

c)

8\,\text{rad s}^{-1}

d)

-2\,\text{rad s}^{-1}

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