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Question
In which of the following graphs are both runners moving at the same speed?
In which of the following graphs are both runners moving at the same speed?
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Solution
The correct option is B. Graph-D
The slope of distance-time graph represents speed. Runners running at the same speed would have distance-time graph with equal slope and lines with equal slopes are parallel. Graph D is the only one with two parallel lines. Hence, it represents the same speed for both runners.
The correct option is B. Graph-D
The slope of distance-time graph represents speed. Runners running at the same speed would have distance-time graph with equal slope and lines with equal slopes are parallel. Graph D is the only one with two parallel lines. Hence, it represents the same speed for both runners.
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