Chapter 1 Models, Measurements and Vectors
1.1 Multiple Choice Questions
1) The following conversion equivalents are given:
1 gal = 231 1 ft = 12 in 1 min = 60 s
A pipe delivers water at the rate of 95 gal/min. The rate in /s, is closest to:
A) 0.21
B) 0.19
C) 0.17
D) 0.15
E) 0.14
Answer: A
Var: 50+
2) The following conversion equivalents are given:
1 m = 100 cm 1 in = 2.54 cm 1 ft = 12 in
A bin has a volume of 1.5 . The volume of the bin, in , is closest to:
A) 35
B) 41
C) 47
D) 53
,E) 59
Answer: D
Var: 1
3) The following conversion equivalents are given:
1 mile = 5280 ft 1 ft = 12 in 1 m = 39.37 in 1 hour = 60 min 1 min
= 60 s
A particle has a velocity of 4.7 miles per hour. The velocity, in m/s, is closest to:
A) 2.1
B) 1.7
C) 1.9
D) 2.3
E) 2.5
Answer: A
Var: 50+
,4) A speed of 65 miles per hour is the same as
A) 24 m/s
B) 29 m/s
C) 32 m/s
D) 37 m/s
E) 42 m/s
Answer: B
Var: 1
5) The following conversion equivalents are given:
1 kg = 1000g 1 l = 1000 1 l = 0.0353
The density of a liquid is 0.83 g/ . The density of the liquid, in kg/ , is closest to:
A) 24
B) 19
C) 21
D) 26
E) 28
Answer: A
Var: 50+
6) A weight lifter can bench press How many milligrams (mg) is this?
A) 2.7 × 108 mg
B) 2.7 × 109 mg
C) 2.7 × 107 mg
, D) 2.7 × 106 mg
Answer: A
Var: 50+
7) Your car gets on a trip. How many did it get? (3.79 = 1 gal;
1 mi = 1.61 km)
A) 14.7 km/l
B) 9.16 km/l
C) 55.9 km/l
D) 32.4 km/l
Answer: A
Var: 50+