A point on the rim of a rotating disc has a linear speed of while the disc makes

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

A point on the rim of a rotating disc has a linear speed of

10\,\text{m\,s}^{-1}

while the disc makes

2\,\text{revolutions per second}

. Determine the radius of the disc. (a)

1.60\,\text{m}

(b)

0.40\,\text{m}

(c)

0.80\,\text{m}

(d)

3.18\,\text{m}