(General PHY:Motion Q5) The bullet fired from a gun on the ground has a velocity v. The x-component

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The bullet fired from a gun on the ground has a velocity v. The x-component of the velocity is 4.3 ms-1 and the y-component of the velocity is 8.6 ms-1. x is the horizontal axis and y is the vertial axis. What is the distance in m between the gun and the point where the bullet hits the ground? Acceleration due to gravity is 9.8ms-2. Assuming there is no air resistance during the bullet's flight.

題目中文翻譯：
從地面上的槍發射的子彈具有速度
v
v，其 x 分量為 4.3 m/s，y 分量為 8.6 m/s。x 為水平軸，y 為垂直軸。重力加速度為 9.8 m/s²，假設子彈飛行中沒有空氣阻力。請問槍與子彈落地點之間的距離（水平位移）是多少米？

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