The energy lost during transformation is always in the form of: chemical
heat
sunlight
mechanical

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Aball horizontally thrown from a cliff at 8m/s

What is the quantity which is measured by the area occupied below the velocity- time graph?