Physics, 27.06.2019 05:20 ithebrainliest
Roger runs a marathon. his friend jeff rides behind him on a bicycle and clocks his speed every 15 minutes. roger starts out strong, but after an hour and a half he is so exhausted that he has to stop. jeff's data follows. time since start (min) 0 15 30 45 60 75 90 speed (mph) 13 12 10 10 8 7 0 (a) assuming that roger's speed is never increasing, give upper and lower estimates for the distance roger ran during the first half hour. miles (lower estimate) miles (upper estimate) (b) give upper and lower estimates for the distance roger ran in total during the entire hour and a half. miles (lower estimate) miles (upper estimate)
Answers: 2
Physics, 22.06.2019 07:30, hdhdhd49jdhd
Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud
Answers: 2
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