The most important criterion for Rachel in selecting a book is that the story be an adventure. Mr. Matthews says that Salt to the Sea rates an 8 on the adventure scale. In a Decision Matrix, what would Salt to the Sea score on the adventure criterion? 80 24 16 10

When an object is heated it contracts. a. true b. false

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.

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false