Solution to First Quiz

1. 
2. 
3. 
4. 
5. What does   mean? This is a small measured number, with an error in the last two digits. It is the gravitational constant. It measures how weak gravity is, for bodies of one kilogram size.  
6. Convert   to miles per second . It is approximately,    .  
7. Sketch  . Figure above, from WolframAlpha 
8. Sketch  . Figure below, from WolframAlpha
9. Solve  . Two equal roots.
10. Simplify  .