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.

The dot diagram represents the motion of the motorcycle as it moves from left to right

Atruck with 34-in.-diameter wheels is traveling at 55 mi/h. find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes:

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill