What energy transfers happen when you cook sausages on a camp fire burning wood?

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?

Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.

Describe cytokinesis in plants and animals. in animals: in plants.