[題目] 力學 運動學 複習
今天 在練習一篇 運動學與力學的練習卷
http://ppt.cc/6GG1
自己寫過一遍了
希望大家能一起討論研究答案
裡面第五題 題義不懂
A body of mass 1 kg moving at a speed of 4 m/s starts to slide on a surface.
It slides 16 m and comes to a stop. Would any of the masses below stop in 8 m
when started at the 4 m/s speed if the surface had the same coefficient of
kinetic friction in each case?
a. 0.5 kg
b. 2 kg
c. 2.5 kg
d. 4 kg
e. All the masses would stop after sliding 16 m
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◆ From: 120.101.34.119
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10/13 20:04, , 1F
10/13 20:04, 1F
※ 編輯: dahuanews 來自: 120.101.34.119 (10/13 21:25)
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10/13 21:49, , 2F
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