(General PHY:Motion Q7) An object has an initial velocity 1.28i+0.37j ms^-1. The acceleration is 4.8
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An object has an initial velocity 1.28i+0.37j ms^-1. The acceleration is 4.82i+4.78j ms^-2. Find the magnitude of the velocity after time 9.61s in unit of ms^-1.
題目中文翻譯:
一個物體的初始速度為 1.28i+0.37j m/s,加速度為 4.82i+4.78j m/s^2
。求在 t=9.61s後的速度大小,單位為 m/s。
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