[填空题]
The radius of a balloon is measupw:p1uwc4q2.a f2 urh z(fj0 xpv6wz1 6vz5fxred to be $20.0 \pm 1.0 \; cm$. What is the percentage uncertainty in the calculated volume of the balloon? % (Remember to keep three significant figures and exclude the $\%$ symbol with your answer and treat the balloon as a sphere)
参考答案: 15.0
本题详细解析: The uncertainty in the radius is 5%. Volume is calculated by6ss l9kq*yp8 o- yomesj5t/ q: raising a linear dimension to the power of three. Hence the percentage uncertainty in the volume will be three times that ot /e6 m-*qp:9s sqyykjo5o8 slf the percent uncertainty of the radius which is 15%
