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nalin [4]
2 years ago
14

Will give brainliest!

Mathematics
1 answer:
fiasKO [112]2 years ago
5 0
Let's give some distances
100 up 100 flat 100 down meters
then return 100 up 100 flat 100 down


time required (distance/rate = time ) 200/100 + 200/120 + 200 / 150 = 5 hr

distance 600


distance / time = average speed = 600/5 = 120 m/s
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