Physics 311, Quiz #2

Question 1: How many kilometers equal 1 micrometer?

   Answer:   1 km = 10^3 m,  1 micrometer = 10^(-6) m

           So,

             1 micrometer =  10^(-9)  *  10^3 m

                          =  10^(-9)     kilometers

Question 2: What is the MKS unit of mass?

   Answer:  The kilogram

Question 3: About how many people live in the USA?

   Answer:  About 280 million.

This page maintained by Michael Richmond. Last modified Dec 11, 2000.