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> 物体的位移随时间变化的函数关系是X=4t+2t 2(m), 则它运动的初速度和加速度分别是（） A．0、4m/s2 B．4m/s、2m/s2 C．4m/s、1m/s2 D．4m/s、4m/s2

问题：

发布时间：2024-09-08

物体的位移随时间变化的函数关系是X=4t+2t ²(m), 则它运动的初速度和加速度分别是（）

A．0、4m/s² B．4m/s、2m/s² C．4m/s、1m/s² D．4m/s、4m/s²

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提问用户：1t***dlN

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物体的位移随时间变化的函数关系是X=4t+2t 2(m), 则它运动的初速度和加速度分别是（ ） A．0、4m/s2 B．4m/s、2m/s2 C．4m/s、1m/s2 D．4m/s、4m/s2

可能感兴趣的题目：

物体的位移随时间变化的函数关系是X=4t+2t ²(m), 则它运动的初速度和加速度分别是（）

A．0、4m/s² B．4m/s、2m/s² C．4m/s、1m/s² D．4m/s、4m/s²