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During this event, a Tennnesse teacher was placed on trial for teaching evolution in the his classroom. The event sparked a national debate between Evangelicals and those who supported evolution. 

Which invention has the greatest impact on entertainment in the early 20th century (1900-1940)?

Which three countries were the major components of the Allied Powers in World War I? 

This Amendment states taht the President will take office on January 20 and Congress on January 3. 

Which two cities were hit by the first two atomic bombs during World War II? 

Franklin Roosevelt’s plan to restore the economy during the Great Depression was known by this name. 

The center of gravity of each truck below is marked with an X. Which truck(s) will tip over?            

The y-component of vector A in Fig 1 below is

A 4.9  N picture is supported by two strings that run from its upper corners to a nail on the wall.  If each string makes an angle of 40 degrees with the vertical, the tension in each is

If A = 16 m and B = 7 m, what is the resultant R of the two vectors?