[填空题]
The radius of a balloon is measuredb: a8ge9 /hwnpt.ipc)1 fa7 9()zpltduc+4za u)s ubu0 ngtd4 to be $20.0 \pm 1.0 \; cm$. What is the percentage uncertainty in the calculated volume of the balloon? % (please 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 rai l lv/5i2m*fcjy h-eu.sing a linear dimel-jciym /hfel*5v2 .unsion 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%