# Lab 1

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PHYSICS I LAB 1
Name: Date : ______________
1.- A kilogram is
a) 10-3 grams b) 10 3 grams c) 106 grams d) 10grams
2. A centimeter is
a) 100 meters b) 10 meters c) 1 meters d) .01 meters
3. A megawatt is
a) 106watts b) 103 watts c) 10-3 watts d) 10-6 watts
4. A nanosecond is
a) 10-3 seconds b) 10-6 seconds c) 10-9 seconds d)10-12 seconds
5. A kilometer is
a) greater than a mile b) less than a mile
c) aboutthe size of a football field d) less than a football field
6. All of the following are base units ofthe SI system except
a) kilogram b) kelvin c) meter d) pound
7. The SI prefix for 10-12 is
a) tera- b) giga-c) nano- d) pico-
8. Convert 0.75 kilometers to meters
a) 7500 m b) 750 m c) 75 m d) 7.5 m
9. Convert0.0215 m to mm.
a) 0.215 mm b) 2.15 mm c) 21.5 mm d) 215 mm
10. The number 9452 in scientific notation is
a)9.452x102 b) 94.52x102 c) .9452x102 d) 9.452x103
11. The number .0000475 in scientific notation is
a) 4.75x10-6 b)4.75x10-5 c) 4.75x10-4 d) 4.75x10-3
12. What does 1.23 + 2.50x10-3 equal?
a) 1.23 b) 1.2324 c) 1.232 d) 1.233