physics

a cyclist travels at a distance of 10.0 km. in 30 min. after w/c he speeds up to 40 km/hr for 6.0 more mins. Find his average speed.

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  1. How long was he in the W.C. ?

    Divide his total distance traveled by total elapsed time, which is 0.6 hours plus W.C. time.

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    posted by drwls

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