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OpenStudy (ksaimouli):
for the first 10.1km of a marathon a runner average a velocity that has a magnitude of 15km/h. for the next 15.0km he averages 10km/h.while for the last 15km he averages 5km/h.construct to scale the position time graph for the runner
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OpenStudy (anonymous):
-The gradient (slope) of a distance-time graph is the velocity.
OpenStudy (ksaimouli):
i need to find the time for each distance ?
OpenStudy (ksaimouli):
with what formula
OpenStudy (anonymous):
Sorry- speed=distance/time, therefore time=distance/speed
OpenStudy (ksaimouli):
i got .673 or.7
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