O forno de micro-ondas emite uma for- ma de radiação que aumenta a agita
ção das moléculas de água presentes
nos alimentos. Nesse caso, descreva o
que ocorre com a temperatura da água
e do alimento.​

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.