5. The density of gold is 19 300 kg/m. 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 6. The average density of the material in intergalactic space is approximately

5. The density of gold is 19 300 kg/m. 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 6. The average density of the material in intergalactic space is approximately

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A balloon is released from a tall building. The total mass of the balloon including the enclosed gas is 2.0 kg. Its volume is 5.0 m?. The density of air is 1.3 kg/m. 12. What is the average density of the balloon? A) 0.2 kg/m3 B) 0.4 kg/m3 C) 0.8 kg/m D) 1.0 kg/m E) 1.2 kg/m3 13. Will the balloon rise, fall, or remain stationary, and why? A) The balloon will fall because its density is greater than that of air. B) The balloon will remain stationary because its density is less than that of air. c) The balloon will rise because the upward buoyant force is greater than its weight. D) The balloon will fall because the upward buoyant force is less than its weight. E) The balloon will fall because the downward buoyant force is greater than the upward buoyant force.
2. Boyle's Law states that when a sample of gas is compressed at a constant temperature, the pressure P of the gas is inversely proportional to the volume V of the gas. (That is: at a constant temperature, the equation P = c. 1 holds, for some constant c.) V (Note: The standard units of volume are cubic meters, m³, and the standard units of pressure are Pascals, Pa, or kiloPascals, kPa.) 3 (a) Suppose that the pressure of a sample of air that occupies 0.106 m³ at 25°C is 50 kPa. Write V as a function of P. (b) Calculate dV dP when P = 50 kPa. What is the meaning of the derivative? What are its units?
1. The density of a 12kg cube of Gold is 19,300 kg/m³. What would be the density of a 8 kg cube of Gold? Choose one correct answer with the correct unit of measure. A. 78.4 kg/m³ B. 19,300 kg/m² C. 78.4 kg/m² D. 19,300 kg/m³
Air has density of 1.293 g/cm3 at 20 degrees C. What is the mass of air that occupies a volume of 320 cm3? A) 413.g B) 0.004 g C) 320 g D) 247.5 g
imedes Principle - 3400646 - View-only nces A A A ins: On 10 Review View EFE 相 === T Help Paragraph 1000 cm³ ET E T4 Search (Alt+Q) AaBbcc Normal 4. Assume the balloon is replaced by a 0.5 Kg piece of wood that has exactly the same volume (1000 cm³ or 0.001 m³ or 1000mL), as shown in Figure 2. A) What is the volume of water displaced by the piece of wood? (V=Vo) B) What is the mass of water displaced by the piece of wood? (p=m/v) Editor Suggestions: Showing W C) What is the weight of water displaced by the piece of wood? Method 1: Use (F+ =m+g) What is weight of the piece of wood? (F=m.g) AaBbcc No Spacing D) What is the weight of water displaced by the piece of wood? Method 2: Use (F-FB-PVE) Styles P Will the wood float or sink? Explain your answer. (compare F, and Fa AaBb Cc Heading 1 P
2. A cubical shaped container is full of water (density = 1000 kg/m'). If the mass of the water is 600g, what is the length of each side of the container?
The Statue of Liberty in New York City is approximately 305 ft305 ft tall. How many U.S. dimes would be in a stack of the same height? Each dime is 1.35 mm1.35 mm thick. number of dimes: Each dime has a mass of 2.268 g.2.268 g. How much would the stack of dimes from the previous question weigh? mass: g What is the value, in dollars, of the same stack of dimes? value: dollars The 2017 U.S. gross domestic product (GDP) was valued at 19,390,604,000 dollars.19,390,604,000 dollars. How many Statue of Liberty‑height stacks of dimes are needed to match the GDP in value? number of stacks:
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1. A bottle of beer contains 12 fluid ounces (fl oz). What is the volume inquarts (given that 1 qt = 32 fl oz).
2. Calculate the dimensions of the economic channel in the form of a trapezoid with a slope of 1. (horizontal), 2. (vertical) to pass a discharge of 40 m^3/s with an average speed of 0.8 m/s. What is the slope of the bottom of the channel if the Chezy coefficient C= 50 m^1/2/det
6) A blimp is filled with helium can lift 55 kg? The density of helium is one-seventh that of air, and the density of air is 1/800 that of water. Consider the mass of the balloon to be negligible. What is the volume of helium contained in the blimp?
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