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yulyashka [42]
3 years ago
10

In science, Bob learns that the energy of a wave is directly proportional to the square of the waves amplitude. If the energy of

a wave is 4 J, what should he predict as the amplitude of the wave?
Physics
1 answer:
KIM [24]3 years ago
4 0
The energy of a wave is directly proportional to the square of the waves amplitude. Therefore, E = A² where A is the amplitude. This therefore means when the amplitude of a wave is doubled the energy will be quadrupled, when the amplitude is tripled the energy increases by a nine fold and so on.
Thus, in this case if the energy is 4J, then the amplitude will be  √4 = 2 .
  


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