Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Amplitude of Waves?
Two waves are approaching each other. One has an amplitude of 2.0cm. The other has an amplitude of -3.0cm. What is the resulting amplitude when the waves meet?