Carl Lewis ran the 100m dash in about 10s and
Bill Rodgers ran the Marathon 42km in about
2hrs 10 minutes.
a) What are their average speeds?
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Carl Lewis ran the 100m dash in about 10s and
Bill Rodgers ran the Marathon 42km in about
2hrs 10 minutes.
a) What are their average speeds?
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Verified answer
average speed =total distance /total time
therefore,avg.speed=(100+42000)/(10+130)m/s
=42100/140 m/s
=300.7