[問題] 普物救人喔~~~
16章 369頁
Problem 4. (b)怎麼算啊 怎麼會有負的
370頁
Problem 5. (a)(c)幫幫忙吧
"draw an analogy with 完全彈性碰撞和非完全彈性碰撞 in par..."
這句什麼意思呢
Problem 7.完全不懂在幹麻- -a
另外349頁12題的(a)沒有負號嗎?
我覺得越外側壓力應該越小啊
最後是348頁的3題
(b)那個line到底在哪啊，還有題目在問什麼...
高手幫幫忙吧orz
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