Which is an example of kinetic energy? A. a stretched rubber band B. wind C. water in a reservoir D. natural gas E. an object suspended above the ground
Biology · High School · Tue Nov 03 2020
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Determine which is an example of kinetic energy.
Kinetic energy can be defined as energy in motion, thus the object must have a mass and velocity, as represented by the formula for kinetic energy.
KE = ½ mv^2
a stretched rubber band
A stretched rubber band exhibits elastic potential energy, and it is not in motion.
B. wind
Wind is in motion therefore it can be classified to exhibit wind energy, which can be converted into kinetic energy.
C. water in a reservoir
Water in a reservoir is stationary, therefore it exhibits potential energy.
D. natural gas
A natural gas that is not in motion do not exhibit kinetic energy therefore it has potential energy.
E. an object suspended above the ground
An object suspended above the ground exhibits potential energy.
Final answer:
B. Wind