试题与答案

一质点的位移-时间图像如图甲所示,图乙中能正确表示该质点的速度与时间关系的图像是

题型:选择题

题目:

一质点的位移-时间图像如图甲所示,图乙中能正确表示该质点的速度与时间关系的图像是(   ) 

答案:

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