The average sound intensity inside a busy restaurant is 2.35 x 10^-5 W/m^2. What is the energy received by both of your ears in 57.9 minutes (by both ears in J not W). Each of your ears has an area of 6.10 x 10^-3 m^2? This question has a lot of conversions, so it's confusing.

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2

Objects a and b are visible in the night sky. six months later they are still visible, but object b shows less parallax than object a. which object is closer? a. a b. b c. you would need to wait another six months in order to figure this out. d. you would need to know the objects' angular diameters in order to figure this out.

Derive the formula 2as=v² -u² where the formula have have usual meanings