Which option is an example of chemical energy being transformed into kinetic energy?
A. A plant storing energy from the Sun in its leaves
B. A battery powering a flashlight
C. A ball rolling down a hill
D. A rocket engine igniting its fuel during liftoff
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Copper has free electrons per cubic meter. a 71.0-cm length of 12-gauge copper wire that is 2.05 mm in diameter carries 4.85 a of current. (a) how much time does it take for an electron to travel the length of the wire? (b) repeat part (a) for 6-gauge copper wire (diameter 4.12 mm) of the same length that carries the same current. (c) generally speaking, how does changing the diameter of a wire that carries a given amount of current affect the drift velocity of the electrons in the wire?

Awalk up the phase change graph worksheet

Coal contains energy. a. light b. kinetic c. chemical d. mechanical