A song is playing on a radio. Which of the following best
describes the transformation of energy?
1: Electrical energy is changed to sound energy
2: Electrical energy is changed to light energy
3: Sound is changed into electrical energy
4: Sound is changed into light energy

The variables for this experiment include mass, volume and the materials in the various balls, as well as their densities. in part iii, you will be investigating the questionable baseball. use the drop-down menus to complete the sentences and identify the independent and dependent variables. in part iii, the independent variable, the one that is intentionally manipulated, is . in part iii, the dependent variable, the one that you measure the response in, is

Asimply means that over time there was some sort of change.

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?