平面中的向量
Authored by Luna Chen
Physics
11th Grade
Used 2+ times
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5 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
曲線運動我們會將物體的加速度分成哪兩種加速度?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
棒球比賽中欲形成全壘打，棒球速度的鉛直方向上需有向上或向下的速度分量呢？
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
平面運動為了方便研究，我們會分成幾個一維運動來分析？
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
描述颱風的移動時，我們常用北北西、東南東…等詞彙來描述颱風的運動方向，這是將颱風的運動分成南北向和東西向兩個方向來考慮。若是救援直升機要飛到山上拯救遇難的人，直升機的移動除了南北和東西兩個維度以外，還需要考慮什麼？分成幾個維度描述比較適合？
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
兩加速度向量合成後的是純量還是向量呢?
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