All the following statements about dc current are true except:
1. flows bidirectionally
2. grabs hold of the recipient making it difficult for them to get away from the shock source
3. dry batteries are one source example
4. is considered as not as dangerous as ac

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl, max are applied?

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above

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).