A sound system is being set up in a gazebo in a park. It needs to produce music so that everyone can hear it. How much power would the speakers need to produce in order for the intensity at 5 meters away to be 1 x 10^-8 W/m^2? (assume the shape of the propagation of the sound wave is a hemisphere)

1.87 x 10^-7 W

1.57 x 10^-6 W

1.14 x 10^-6 W

2.46 x 10^-7 W

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1 December, 14:20

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Giuliana Ritter · Answer 1

Giuliana Ritter 1 December, 14:28

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Jordin Chaney · Answer 2

1.14 x 10^-6 W