In the pion, an up and an anti-down quark yield a particle of only 139.6 MeV of mass energy, while in the rho vector meson the same combination of quarks has a mass of 770 MeV! The masses of C and S are from Serway, and the T and B masses are from descriptions of the experiments in which they were discovered.
Independence Day 2018 is a federal holiday and falls on the fourth of July. The day of the week that the holiday falls on, changes each year. If July 4 is a Saturday, it is observed on Friday, July 3.
by Damon Huss. Today, we celebrate the Fourth of July with fireworks, parades, banquets, and barbeques. It is a holiday, a day to take a break from school or work and our day-to-day life to commemorate the adoption of the Declaration of Independence on July 4, 1776.Surely there were fireworks on that dramatic date in history, too.t is a holiday, a day to take a break from school or work and our day-to-day life to commemorate the adoption of the Declaration of Independence on July 4, 1776. Surely there were fireworks on that dramatic date in history, too.