Physics

Problem

0.50\,\text{kg}

puck is tied to a

0.80\,\text{m}

string and whirled in a horizontal circle on a frictionless table at

4.0\,\text{m}\!\cdot\!\text{s}^{-1}

. What is the magnitude of the tension in the string during the motion? a)

6.4\,\text{N}

4.9\,\text{N}

10\,\text{N}

2.5\,\text{N}