Physics

Problem

A point on the outer edge of a rotating turntable moves with a linear speed of

1.6\,\text{m/s}

while the turntable’s angular speed is

4.0\,\text{rad/s}

. What is the radius of the turntable? a)

0.64\,\text{m}

0.40\,\text{m}

6.4\,\text{m}

0.20\,\text{m}