Physics...2009LQ ans
http://decodekelvin.blogspot.com/我唸呢個未必係標準答案...有信心既可以入去睇睇... -口-"
2a唔係計K.E.咩 -口-!? -口-"
2a唔係計K.E.咩 -口-!?
7ond 發表於 20-4-2009 17:30 http://www.nakuz.com/bbs/images/common/back.gif
冇錯係KE囧... 好彩 囧
點解我印象中好似計到係4粒BETA..
唉唔係又錯加減數呀嘛 -________- 好彩 囧
點解我印象中好似計到係4粒BETA..
唉唔係又錯加減數呀嘛 -________-
7ond 發表於 20-4-2009 17:38 http://www.nakuz.com/bbs/images/common/back.gif
我都係4個alpha 4個beta-.-
同埋我計到12.5Hz 唔係1.25Hz既囧 1.25Hz..?
好似有條係1.25Hz wor..
唔係又錯呀嘛 囧rz - -冇寫式...1.25HZ....照計應該有60- -..... 我計到放左4a 4B,,我計左幾次架喎,,無理由錯架 仲有佢9a果度... slope係t^2/s
而a係 s/t^2到底邊個岩-.- 依份野究竟對多定錯多 我好驚...