Physics

Physics, 01.11.2019 20:31, Qwerty2771

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?
a) 1 j
b) 2 j
c) 4 j
d) 8 j

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