
平面中的向量
Quiz
•
Physics
•
11th Grade
•
Medium
Luna Chen
Used 2+ times
FREE Resource
5 questions
Show all answers
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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