# Dimensional Analysis HW Dimensional Analysis WS Answer on your own paper. Show all work in Dimensional Analysis Format

Answers are in parenthesis

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2.

Convert one year to seconds (3.15 x 10 7 sec)

The approximate total number of minutes for a semester of school (including evenings and weekends) is

181,440. How many weeks is this? (18 weeks)

5.

6.

3.

4.

Convert 170 cm to km. (0.0017 m)

Convert 83.96 mg to kg. (8.396 x 10 -5 kg)

Assume 0.621 mile = 1 km and 5280 feet = 1 mile. Convert 87 feet to meters. (26.53m)

Assume 454 grams = 1 pound. Convert 14.8 lbs to centigrams. (671920 cg)

7. Assume 0.621 miles = 1 km. Convert 55 miles/hour to meters/second. (24.60 m/s)

8. Convert 98 feet/second to nm/decade. Assume 365.25 days = 1 year 0.621 miles = 1 km 1m = 1 x10

(9.43 x 10 18 nm)

9 nm .

9. What is the volume (in L) of 14 pounds of aluminum metal? The density of Aluminium is

2.7

g/ml. Assume 1.00 lb = 454 g (2.35 L)

10. You travel 13.62m/sec on your way to school. Could you be cited for speeding if the speed limit is 20 mph?

1 mile =5280ft 1 inch = 2.54 cm. (30.37 mile/hr; yes)