***ANSWER THESE QUESTIONS*****

1.- Write the following using base units only without the use of prefix:

23.2 kN.s/nm

Remember that base units are: m, K, s, A, kg, cd, mol.

2.- Express the following conversion to three significant digits

265 mph to km/s

3.- Write the following using base units only without the use of prefix:

4.53 x 10^-8 Mg/(cm².s).

Remember that base units are: m, K, s, A, kg, cd, mol.

4.- Express the following conversion to three significant digits

27 549 watts to BTU/s

5.- At the end of the Chapter 15 PowerPoint file you had two links to watch videos that show some problems that have happened due to unit problems. Explain what has happened in one of these videos.

• http://mars.jpl.nasa.gov/msp98/news/mco990930.html
• https://www.youtube.com/watch?v=WwMqDnBCBwc