[填空题]
The radius of a balloon0dpbtz ;d/emo 4ozt /gxi-7 .n)nofg h.7nc:m is measured to jf6u-mz:nyf/ 5)m czq 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 by raising a linear ob5toes:r4 g4dimenseb 4osrot45g: ion to the power of three. Hence the percentage uncertainty in the volume will be three times that of the percent uncertainty of the radius which is 15%
