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문제별 결과
1
Kinematics
오답
Which of the three cars had the greatest average speed during these 5 seconds?
car #2 and car #3 had the same average speed
정답
B
car #2
C
all three cars had the same average speed
D
car #3
해설
Cars #2 and #3 end at the same position after 5 seconds, so they have equal average speeds.