Explanation:
A battery sits in an iPod before the iPod is turned on.
Chemical
Battery store chemical energy that is used to power an ipod. A battery is a typical non-rechargeable/rechargeable electrochemical cell. Here chemical reactions in the cell are used to produce electrical energy after the ipod is turned on
A man at a carnival lifts a hammer high over his head before swinging it down onto a pad. Gravitational
Gravitational potential energy is in the hammer over the man's head. The hammer has a mass and it is subjected at that height to the force of gravity pulling all things to the center of the earth.
A positively charged particle is slowly moved away from a strong, negatively charged plate Electric
This is an electric energy that sets up potential difference in a cell.
The string of a bow and arrow is pulled tight. elastic
Elastic energy is in string and when released, it returns back to its original position without getting deformed in the process.
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