Mathematics, 29.11.2020 20:20 whitems33982
21. A roller coaster goes down the first grade eight times faster than it goes up the other side. The distance down is 100 ft more than the distance up, and it takes 70 sec to go up and 10 sec to come down. What is the speed in feet per second of the roller coaster when it goes up and when it comes down?
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21. A roller coaster goes down the first grade eight times faster than it goes up the other side. Th...
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