If an earthquake wave having a wavelength of 13 km caused the ground to vibrate 10 times each minute, what is the speed of the wave? 1.2 km/s 2.2 km/s 220 m/s 22 m/s if the amplitude in a sound wave is doubled, by what factor does the intensity of the wave increase? 2 1 8 4(my choice)
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If an earthquake wave having a wavelength of 13 km caused the ground to vibrate 10 times each minute...
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