Physics 9th Edition By Cutnel – Test Bank

Physics 9th Edition By Cutnel – Test Bank

Chapter: Chapter 11

Multiple Choice

1. The density of mercury is 1.36 × 104 kg/m3. What is the mass of a 2.16 × 10–4-m3 sample of mercury?
A) 0.0343 kg
B) 0.002 94 kg
C) 2.94 kg
D) 5.44 kg
E) 6.29 kg

Ans: C
Difficulty: Easy
SectionDef: Section 11-1

2. At standard temperature and pressure, carbon dioxide has a density of 1.98 kg/m3. What volume does 1.70 kg of carbon dioxide occupy at standard temperature and pressure?
A) 0.43 m3
B) 0.86 m3
C) 1.7 m3
D) 2.3 m3
E) 4.8 m3

Ans: B
Difficulty: Medium
SectionDef: Section 11-1

3. What mass of water (at 4.0 °C) can be contained in a rectangular box whose dimensions are 10.0 cm by 5.00 cm by 1.00 cm? The density of water at 4.0 °C is 1.000 × 103 kg/m3.
A) 5.0 g
B) 10.0 g
C) 25.0 g
D) 50.0 g
E) 0.25 kg

Ans: D
Difficulty: Medium
SectionDef: Section 11-1

4. The density of gold is 19 300 kg/m3. What is the mass of a gold sphere whose diameter is 0.25 m?
A) 87.5 kg
B) 158 kg
C) 947 kg
D) 1260 kg
E) 3790 kg

Ans: B
Difficulty: Medium
SectionDef: Section 11-1

5. The average density of the material in intergalactic space is approximately 2.5 × 10–27 kg/m3. What is the volume of a lead sample,  = 11 300 kg/m3, that has the same mass as 8.0 × 1024 m3 of intergalactic space?
A) 1.0 × 10–6 m3
B) 2.2 × 10–5 m3
C) 5.4 × 10–6 m3
D) 3.6 × 10–5 m3
E) 1.8 × 10–6 m3

Ans: E
Difficulty: Medium
SectionDef: Section 11-1

6. Within a certain type of star called a neutron star, the material at the center has a mass density of 1.0 × 1018 kg/m3. If a tiny sphere of this material of radius 1.0 × 10–5 m were somehow transported to the surface of the earth, what would be the weight of this sphere?
A) 1000 N
B) 4200 N
C) 4.1 × 104 N
D) 7.0 × 104 N
E) 3.8 × 109 N

Ans: C
Difficulty: Hard
SectionDef: Section 11-1

7. A solid cylinder has a radius of 0.051 m and a height of 0.0030 m. The cylinder is composed of two different materials with mass densities of 1950 kg/m3 and 1470 kg/m3. The cylinder contains an equal mass m of each of the two materials, so that the total mass is M = 2m. What is the mass m?
A) 8.4 × 10–2 kg
B) 2.1 × 10–2 kg
C) 1.4 × 10–2 kg
D) 6.5 × 10–2 kg
E) 4.2 × 10–2 kg

Ans: B
Difficulty: Hard
SectionDef: Section 11-1

8. How much force does the atmosphere exert on one side of a vertical wall 4.00-m high and 10.0-m long?
A) 2.53 × 103 N
B) 1.01 × 105 N
C) 4.05 × 105 N
D) 4.05 × 106 N
E) zero N

Ans: D
Difficulty: Medium
SectionDef: Section 11-2

9. A child wants to pump up a bicycle tire so that its pressure is 1.2 × 105 Pa above that of atmospheric pressure. If the child uses a pump with a circular piston 0.035 m in diameter, what force must the child exert?
A) 120 N
B) 89 N
C) 76 N
D) 54 N
E) 240 N

Ans: A
Difficulty: Medium
SectionDef: Section 11-2

10. An ice cube,  = 917 kg/m3, is sliding down a frictionless incline as shown in the drawing. The sides of the cube each have a length of 0.75 m. What pressure does the cube exert on the incline?

A) 1800 Pa
B) 6500 Pa
C) 3600 Pa
D) 2700 Pa
E) 5100 Pa

Ans: B
Difficulty: Hard
SectionDef: Section 11-2