| 1. The circumference of the earth is approximately 25,000 mi at the equator. Which of the following is this distance in kilometers if 1 mi equals 1.6093 km?
a. 15534.7 km
b. 40232.5 km
c. 155347 km
d. 22537.4 km
e. 57.923.6 km
2. The world record for the 100 m dash is 9.86 sec. Which of the following is this speed in mi/hr given that 1 mi equals 1.6093 km?
a. 15.16 mph
b. 22.69 mph
c. 28.27 mph
d. 34.11 mph
e. 58.78 mph
3. A football field is 100 yards long. Which of the following is this distance in centimeters given that 1 m equals 1.0936 yds?
a. 1094.7 cm
b. 109.4 cm
c. 10000 cm
d. 10936.0 cm
e. 9144.1 cm
4. A sheet of paper is 8.5 in by 11 in. Which of the following are these dimensions in mm given that 1.0 in equals 2.54 cm?
a. 334.6 mm x 433.1 mm
b. 275.7 mm x 316.9 mm
c. 215.9 mm x 279.4 mm
d. 143.8 mm x 169.3 mm
e. 85.0 mm x 110.0 mm
5. Distances measured in a common laboratory microscope would probably be best measured using which of the following units?
a. inches
b. kilometers
c. centimeters
d. micrometers
e. picometers
6. A ream of paper contains 500 sheets of paper and is about 5.2 cm thick. Which of the following is the thickness of a single piece of paper in mm?
a. 0.962 mm
b. 9.620 mm
c. 5.200 mm
d. 0.104 mm
e. 1.040 mm
7. 83,234.7 expressed in exponential or scientific notation would be which of the following?
a. 8.2347 x 102
b. 8.2347 x 103
c. 8.2347 x 104
d. 8.2347 x 105
e. 8.2347 x 107
8. The diameter of the earth is 7923.3 mi. What is the volume of the earth in cubic meters given that 1 mi equals 1.6093 km?(Vsphere = 4/3 pi r3
a. 1.083 x 1021
b. 1.083 x 1018
c. 1.083 x 1015
d. 1.083 x 1012
e. 1.083 x 109
9. How many nanometers are there in one meter?
a. 0.000001
b. 10-9
c. 109
d. 1,000,000
e. none of the above
10. According to The Sporting News\, the fastest recorded fastball was thrown by Nolan Ryan (although I would argue that Bob Feller was faster) and had a velocity of 100.80 mi/hr. Which of the following is how long it would take in seconds for this pitch to travel the 60.5 ft from the mound to home plate given that there are 5280 ft in a mile?
a. 0.88 sec
b. 2.44 sec
c. 0.41 sec
d. 1.23 sec
e. none of the above
11. Which of the following is the volume of a cylinder in mL that is 4.8 cm in length and 0.8 cm in diameter?
a. 0.48 mL
b. 3.33 mL
c. 7.48 ml
d. 9.65 mL
e. 2.41 mL
12. If 2.2 lbs = 1 kg and your mass is 130 lbs which of the following would be your mass in Kg?
a. 102.3 kg
b. 59.1 kg
c. 286.0 kg
d. 28.6 kg
e. none of the above
13. There are 6.023 x 1023 atoms of hydrogen in one gram of hydrogen. Which of the following is the mass of one hydrogen atom in grams?
a. 1.66 x 1023
b. 1.66 x 10-23
c. 1.66 x 10-24
d. 6.02 x 10-23
e. 6.02 x 10-24
14. 0.0000045 expressed in exponential or scientific notation would be which of the following?
a. 4.5 x 10-3
b. 4.5 x 10-4
c. 4.5 x 10-5
d. 4.5 x 10-6
e. 4.5 x 10-7
15. 7.13 x 10-4 written in decimal notation would be which of the following?
a. 0.00713
b. 0.000713
c. 71300
d. 7130
e. 713
16. The distance to the sun is 93,000,000 mi. What is this distance in kilometers if 1 mi is equal to 1760 yds and 1 m is equal to 1.0936 yds?
a. 163,680,000 km
b. 155,007,289 km
c. 149,670,812 km
d. 185,890,326 km
e. none of the above
17. If the speed of light is 186,000 mi/sec how long does it take for light to get from the sun to the earth in minutes if the distance is 9.3 x 107 mi?
a. 8.3 min
b. 0.12 min
c. 500 min
d. 0.002 min
e. none of the above
18. The circumference of the earth is about 25,000 mi at the equator. Longitude on earth is based on degrees with 360 degrees circling the earth. How many miles are in one degree at the equator?
a. 14.4 mi
b. 0.14 mi
c. 0.014 mi
d. 69.4 mi
e. none of the above
19. An onion cell is about 80 micrometers long by 10 micrometers wide by 10 micrometers deep. If we assume that an onion is a sphere 5 cm in diameter, what is the number of onion cells in an onion?
a. 2.74 x 106 cm3
b. 7.23 x 108 cm3
c. 8.18 x 109 cm3
d. 6.39 x 1011. cm3
e. none of the above
20. The gravitational field of the moon is 1/6 that of earth. What would be the weight of a 180 lb person on the moon in kg if there are 2.2 lbs in one kg?
a. 66.01 kg
b. 13.63 kg
c. 81.81 kg
d. 396.0 kg
e. none of the above
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