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Chapter 15

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**A piece of glass is broken into two pieces of different size**

A piece of glass is broken into two pieces of different size. Rank order, from largest to smallest, the mass densities of pieces 1, 2, and 3. 1. 2. 3. 4. 5. STT15.1

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**A piece of glass is broken into two pieces of different size**

A piece of glass is broken into two pieces of different size. Rank order, from largest to smallest, the mass densities of pieces 1, 2, and 3. 1. 2. 3. 4. 5. STT15.1

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Water is slowly poured into the container until the water level has risen into tubes A, B, and C. The water doesn’t overflow from any of the tubes. How do the water depths in the three columns compare to each other? 1. dA > dB > dC 2. dA = dC > dB 3. dA < dB < dC 4. dA = dC < dB 5. dA = dB = dC STT15.2

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Water is slowly poured into the container until the water level has risen into tubes A, B, and C. The water doesn’t overflow from any of the tubes. How do the water depths in the three columns compare to each other? 1. dA > dB > dC 2. dA = dC > dB 3. dA < dB < dC 4. dA = dC < dB 5. dA = dB = dC STT15.2

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Rank in order, from largest to smallest, the magnitudes of the forces required to balance the masses. The masses are in kilograms. 1. F2 > F1 > F3 2. F2 > F1 = F3 3. F3 > F2 > F1 4. F3 > F1 > F2 5. F1 = F2 = F3 STT15.3

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Rank in order, from largest to smallest, the magnitudes of the forces required to balance the masses. The masses are in kilograms. 1. F2 > F1 > F3 2. F2 > F1 = F3 3. F3 > F2 > F1 4. F3 > F1 > F2 5. F1 = F2 = F3 STT15.3

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**1. stay the same, right at the brim. **

An ice cube is floating in a glass of water that is filled entirely to the brim. When the ice cube melts, the water level will 1. stay the same, right at the brim. 2. rise, causing the water to spill. 3. fall. STT15.4

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**1. stay the same, right at the brim. **

An ice cube is floating in a glass of water that is filled entirely to the brim. When the ice cube melts, the water level will 1. stay the same, right at the brim. 2. rise, causing the water to spill. 3. fall. STT15.4

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**5. It depends on the relative size of the tubes.**

The figure shows volume flow rates (in cm3/s) for all but one tube. What is the volume flow rate through the unmarked tube? Is the flow direction in or out? 1. 1 cm3/s, out 2. 1 cm3/s, in cm3/s, out cm3/s, in 5. It depends on the relative size of the tubes. STT15.5

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**5. It depends on the relative size of the tubes.**

The figure shows volume flow rates (in cm3/s) for all but one tube. What is the volume flow rate through the unmarked tube? Is the flow direction in or out? 1. 1 cm3/s, out 2. 1 cm3/s, in cm3/s, out cm3/s, in 5. It depends on the relative size of the tubes. STT15.5

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Rank in order, from highest to lowest, the liquid heights h1 to h4 in tubes 1 to 4. The air flow is from left to right. STT15.6 1. h1 > h3 > h4 > h2 2. h1 > h2 = h3 = h4 3. h2 = h3 = h4 > h1 4. h2 > h4 > h3 > h1 5. h3 > h4 > h2 > h1

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Rank in order, from highest to lowest, the liquid heights h1 to h4 in tubes 1 to 4. The air flow is from left to right. STT15.6 1. h1 > h3 > h4 > h2 2. h1 > h2 = h3 = h4 3. h2 = h3 = h4 > h1 4. h2 > h4 > h3 > h1 5. h3 > h4 > h2 > h1

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Chapter 15 Reading Quiz

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**What is the SI unit of pressure?**

1. Pascal 2. Atmosphere 3. Bernoulli 4. Young 5. L.S.I. IG15.1

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**What is the SI unit of pressure?**

1. Pascal 2. Atmosphere 3. Bernoulli 4. Young 5. L.S.I. IG15.1

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**Is gauge pressure larger, smaller, or the same as true pressure?**

IG15.2

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**Is gauge pressure larger, smaller, or the same as true pressure?**

IG15.2

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**The buoyant force on an object submerged in a liquid depends on**

1. the object’s mass. 2. the mass of the liquid. 3. the object’s volume. 4. all of 1, 2, and 3. IG15.3

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**The buoyant force on an object submerged in a liquid depends on**

1. the object’s mass. 2. the mass of the liquid. 3. the object’s volume. 4. all of 1, 2, and 3. IG15.3

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**The elasticity of a material is characterized by the value of**

1. the elastic constant. 2. Young’s modulus. 3. the spring constant. 4. Hooke’s modulus. 5. the strain modulus. IG15.4

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**The elasticity of a material is characterized by the value of**

1. the elastic constant. 2. Young’s modulus. 3. the spring constant. 4. Hooke’s modulus. 5. the strain modulus. IG15.4

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