[填空题]
The radius of a balloon is measured ii)f8,rwwxa 9 tbmhl 7.8wua c/y5uw)ao 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%. Vo0ex*(1wcf7mcplmr a 8lume is calculated by raising a linear dimension to the power of three. Hence the percentage uncertaie1mfpm*8(rx a7cl0c wnty in the volume will be three times that of the percent uncertainty of the radius which is 15%
Post time 2024-8-21 21:38:19