[領域] (題目相關領域)
普物
[來源] (課本習題、考古題、參考書...)
考古題
[題目]
A particle moves in a circular orbit (a radius r) with an uniform speed .
Answer the questions, (a)the period T=?
→ →
dv da
(b)------ = ? (d)------ = ?
dt dt
dv da
(c)------ =? (e)------ = ?
dt dt
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