What is the acceleration of the box shown below.

If the area of a square has increased by a factor of 16, by how much has each side increased?

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

How does changing the strength of the fork vibration affect the characteristics of the longitudinal wave? how does changing the frequency of the fork vibration affect the characteristics of the longitudinal wave?