A wave with a height of 4 feet will have ________ as much energy as a 2-foot wave.
A) two times
B) four times
C) six times
D) eight times
E) ten times

Question

Quizplus · Accepted Answer

The energy of a wave is proportional to the square of its height (E ∝ h²). Therefore, a wave with a height of 4 feet will have four times the energy of a wave with a height of 2 feet (4² = 16 and 2² = 4; 16/4 = 4).

A Wave with a Height of 4 Feet Will Have