amy who has a mass of 67 kg is riding her bicycle in the country she is traveling at 11 m/s when she begins to coast down a hill she then coasts up another hill that is 20 m high and comes to a stop just as she reaches the top how high was the first hill in m

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).