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CBSE Class 9 Answered

explain why
Asked by pratibhakohli | 25 Jul, 2010, 12:45: PM
answered-by-expert Expert Answer
Stopping before the line means to put the momentum from nonzero to a sudden zero value. So this is very good amount of change in momentum, hence a force is required, in other words the athelete has an inertia, hence they fail to stop before the line.
 
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Answered by | 26 Jul, 2010, 06:57: AM

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