s/km 55
乙 甲
t/min O 10 20 30 40 50 60 70
给出下列说法:①学校到景点的路程为55 km;②
甲组在途中停留了5 min;③甲、乙两组同时到达景点; ④相遇后,乙组的速度小于甲组的速度.根据图象信 息,以上说法正确的有 ①② .
s/km 55
拓展 从图象中 还能获得哪些信息?
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