Recent content by Zeus711

Oh yeah. Forgot to add that the question says 0.42*10^-12 Joules of energy per second. Would my calculations now be correct?

Homework Statement A source emits sound waves equally in all directions. The intensity of the waves 2.50m from the source is 1.9 * 10^-4 W/m^2 a) Find the power of the source b) If the diameter of your ear drum is 8.4 mm, how far from the source do you have to be located, so that your ears...