How do the units that are used to measure heat differ from the units that are used to measure temperature?

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?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

In a system, when potential energy decreases, then entropy also decreases. true false