The low-frequency speaker of a stereo set has a surface area of 0.06 m2 and produces 2.03 W of acoustical power. What is the intensity at the speaker (in W/m2)

Why do electron microscopes have higher resolving power than light microscopes?

Which of the following elements is in the same period as phosphorus? a. carbon c. nitrogen b. magnesium d. oxygen select the best answer from the choices provided a b c d

Could someone me find the answer to this problem.