A) A man heads 10km towards north and then turns 5km towards the west. calculate his resultant displacement. b) Determine the resultant displacement vector if the man heads 30 km towards the west and then 40km towards the South​

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).