What is the name given to the units that make up covalently bonded compounds?

Who was the first scientist to measure speed as distance over time?

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

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).