If a watermelon and a car have a head-on collision, which object undergoes a greater change in acceleration? 1 watermelon undergoes greater acceleration
2car undergoes greater acceleration.
3they have the same acceleration
4neither will accelerate, they cancel each other out

Explain why electric current cannot exist if a current doesn't have a voltage source.

The temperature of a solution can change the solubility of a substance. the chart shows the solubility of the same solute at different temperatures in water. based on the chart, which solution was at the optimal temperature to allow for the greatest solubility? w x y z

You are learning about energy transformations in science class. sally's group made this electromagnet using a battery and some wire. describe the energy transformation you see here. a) electrical to magnetic b) magnetic to electrical c) mechanical to magnetic eliminate d) electrical to chemical