Mathematics, 26.01.2022 09:40 25jzaldivar
There are 20 cars traveling at constant speeds on a 1 mile long ring track and the cars can pass each other freely. On the track 25% of the cars are traveling at 20 mph, 50% of the cars are traveling 10 mph, and the remaining 25% of the cars are traveling at an unknown speed. It was known that the space mean speed of all the cars on the track is 20 mph. (a) What is the speed that the remaining 25% of cars are traveling at? [5 points] (b) If an observer standing on the side of the track counted the number and measured t
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There are 20 cars traveling at constant speeds on a 1 mile long ring track and the cars can pass eac...
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