1. The distance between two identical parts of a transverse wave is the

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

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

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)