Microwave ovens heat food through the process of

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

What is the equation for electrical work?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.