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Mathematics 19 Online
OpenStudy (anonymous):

Suppose a wave carries 3 units of energy and has an amplitude value of 2. If you double the amplitude to 4, how many units of energy will the wave now carry? A. 3 B. 6 C. 9 D. 12

OpenStudy (anonymous):

Remember it is proportional to the square of the amplitude, so doubling the amplitude results in 2^2 or 4 times the energy (Ans. is D)

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