1. Class 2 Units
Pre-Physics
PS0001

2. Cs & microwave
Time s

3.
Length m

4. Mass kg

5. G M K d c m μ n
Unit Prefixes n

7. The British System 1 inch = 2.54 cm (exactly) 1 pound = 4.448221615260
newton (exactly)
The British System

8. Find the number of kilometers in 1.00 mile and feet in 1.00 km.

9. According to the label on a bottle of salad dressing, the volume of the contents is liter (L). Express this volume in cubic inches.

10. 33 cl = ? cc

11. How many years older will you be 1.00 billion seconds from now?

12. A square field measuring 100. 0 m by 100. 0 m has an area of 1
A square field measuring m by m has an area of 1.00 hectare. An acre has an area of 43,600 ft2. If a country lot has an area of 12.0 acres, what is the area in hectares?

13. 10 m/s = ? km/h

14. 9.8 m/s2 = ? ft/s2

15. 1 g/cm3 = ? kg/m3