Physics

Problem

The tension in a string whirling a stone in a horizontal circle of radius

0.40\,\text{m}

20\,\text{N}

. If the angular speed of the stone is

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

, calculate the mass of the stone. a)

10\,\text{kg}

1.0\,\text{kg}

2.0\,\text{kg}

4.0\,\text{kg}