As projectile launchers are used, the projectiles (balls) may transfer some dirt to the inner surface of the barrel. The design of the launchers depend...
Ethyl acetate and some of the other solvents used in Experiment 29, “The Base Hydrolysis of Ethyl Acetate,” in Advanced Chemistry with Vernier can quickly...
In some cases, the centimeter-ruled strip on a dynamics track may partially delaminate from the track itself. Our manufacturer recommends a double-sided tape to reattach...
See the article “Electrostatics with Computer-Interfaced Charge Sensors” by Robert Morse in The Physics Teacher, vol 44, November 2006, pages 498-502. This short article is...