A substance has a freezing point of -38°C and a boiling point of 356°C. At what temperature would this substance be in its liquid state?

Apassenger walks toward the rear of a moving train. describe her motion as seen from a reference point on the train. then describe it from a reference point on the ground

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.