Mach refers to the speed of what?

More Questions:

What is a judo practitioner's Judogi?

The synodic month stArts with a new what?

What literary character, in a novel by Cervantes, had a sidekick named Sancho Panza?

Which three states share a border with California?

Which US state is directly south of Georgia?

Which singer sang "I Believe In Father Christmas'"?

What 2005 horro short film shares a name with a piece of jewelry?

Who played Stifler's mom in the American Pie movies?

What band based its hit "China in Your Hand" on Mary Shelley's "Frankenstein"?

Who sent the 1884 cable that said "I will not accept if nominated and will not serve if elected"?

What Nazi Field Marshall was known as "The Desert Fox"?

The novel "The Starlight Barking" is the sequel to which popular children's book?

In the TV Show "Gunsmoke", what was Festus’ occupation prior to becoming Marshall Dillon’s deputy?

Marilyn Monroe made her first movie appearance in 1947 in which film?

What is the capital of El Salvador?