Physics

Problem

A grinding wheel initially runs at

600\,\text{rpm}

. It is subjected to a constant angular acceleration of

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

for

10\,\text{s}

. What is its angular speed at the end of this interval (in

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

)? a)

82.8

102.8

62.8

142.8