For solid sphere (ball) of radius "r" and mass "m":
"I=(2\/5)mr^2" . So,
"KE=\\frac{I\\omega^2}{2}=\\frac{(2\/5)mr^2\\omega^2}{2}="
"=\\frac{mr^2\\omega^2}{5}=\\frac{1.2\\cdot 0.25^2\\cdot 0.38^2}{5}\\approx0.0022(J)"
Need a fast expert's response?
and get a quick answer at the best price
for any assignment or question with DETAILED EXPLANATIONS!
Comments
Leave a comment