Describe what happens when a.) two plates carrying oceanic crust collide, b.) two plates carrying continental crust collide, and c.) a plate carrying oceanic crust collides with a plate carrying continental crust.

Aplane travels 1000 miles in 5 hours .what is the planes average speed?

Idon’t quite understand this problem

9.98 kg of r-134a at 300 kpa fills a rigid container whose volume is 14 l. determine the temperature and total enthalpy in the container. the container is now heated until the pressure is 600 kpa. determine the temperature and total enthalpy when the heating is completed. use data from the steam tables.