Plsss i am done with them The body with mass 3kg is hung on an elastic thread with elasticity coefficient 1000N / m. Find the deformation force acting on the thread as well as the deformation of the thread under the action of this force.​

Consider a production line with five stations. station 1 can produce a unit in 9 minutes. station 2 can produce a unit in 10 minutes. station 3 has two identical machines, each of which can process a unit in 12 minutes (each unit only needs to be processed on one of the two machines. station 4 can produce a unit in 5 minutes. station 5 can produce a unit in 8 minutes. which station is the bottleneck station?