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勻變速直線運動的物理公式有四個: 1.速度公式:Vt-V0=a*t 2.位移公式:S=V0*t+a*t^2/2 3.速度與位移的關係式:Vt^2-V0^2=2*a*S 4.平均速度公式:V平均=(Vt+V0)/2 以上各式中都有四個物理量,在解題時,要根據題目所給的條件,靈活運用上述各式,進行知“三求一”.
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