These transformers are two-bushing primary types. the primary is terminated as a wye. though workers can't see the middle transformer well, if they carefully review the secondary conductors they can determine if the secondary is delta or wye. what is the configuration and angular displacement?

If steel is more dense that lake water, why can a boat float

Blank liquids and gases exert a buoyant force on objects placed in them

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?