A speed skater averages 11m/s over the first 5s of a race. Find the average speed required over the next 10s to average 12m/s overall.
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A speed skater averages 11m/s over the first 5s of a race. Find the average speed required over the next 10s to average 12m/s overall.
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the the average speed required is 17 metre per second
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