College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300


Chapter 11, Problem 7P
Textbook Problem

The highest recorded waterfall in the world is found at Angel Falls in Venezuela. Its longest single waterfall has a height of 807 m. If water at the top of the falls is at 15.0°C, what is the maximum temperature of the water at the bottom of the falls? Assume all the kinetic energy of the water as it reaches the bottom goes into raising the water’s temperature.

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Chapter 11 Solutions

College Physics
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Ch. 11 - Different amounts of thermal energy are added to...Ch. 11 - Cups of water for coffee or tea can be warmed with...Ch. 11 - The U.S. penny is now made of copper-coated zinc....Ch. 11 - A tile floor may feel uncomfortably cold to your...Ch. 11 - In a calorimetry experiment, three samples A, B,...Ch. 11 - Figure CQ11.11 shows a composite bar made of three...Ch. 11 - Objects A and B have the same size and shape with...Ch. 11 - A poker is a stiff, nonflammable rod used to push...Ch. 11 - On a very hot day, its possible to cook an egg on...Ch. 11 - A person shakes a sealed, insulated bottle...Ch. 11 - Star A has twice the radius and twice the absolute...Ch. 11 - Convert 3.50 103 cal to the equivalent number of...Ch. 11 - A medium-sized banana provides about 105 Calories...Ch. 11 - A 75-kg sprinter accelerates from rest to a speed...Ch. 11 - A 55-kg student eats a 540-Calorie (540 kcal)...Ch. 11 - A persons basal metabolic rate (BMR) is the rate...Ch. 11 - The temperature of a silver bar rises by 10.0C...Ch. 11 - The highest recorded waterfall in the world is...Ch. 11 - An aluminum rod is 20.0 cm long at 20.0C and has a...Ch. 11 - Lake Erie contains roughly 4.00 1011 m3 of water....Ch. 11 - A 3.00-g copper coin at 25.0C drops 50.0 m to the...Ch. 11 - A 5.00-g lead bullet traveling at 3.00 102 m/s is...Ch. 11 - The apparatus shown in Figure P11.12 was used by...Ch. 11 - A 0.200-kg aluminum cup contains 800. g of water...Ch. 11 - A 1.5-kg copper block is given an initial speed of...Ch. 11 - A swimming pool filled with water has dimensions...Ch. 11 - In the summer of 1958 in St. Petersburg, Florida,...Ch. 11 - What mass of water at 25.0C must be allowed to...Ch. 11 - Lead pellets, each of mass 1.00 g, are heated to...Ch. 11 - An aluminum cup contains 225 g of water and a 40-g...Ch. 11 - A large room in a house holds 975 kg of dry air at...Ch. 11 - An aluminum calorimeter with a mass of 0.100 kg...Ch. 11 - A 1.50-kg iron horseshoe initially at 600C is...Ch. 11 - A student drops two metallic objects into a 120-g...Ch. 11 - When a driver brakes an automobile, the friction...Ch. 11 - A Styrofoam cup holds 0.275 kg of water at 25.0C....Ch. 11 - An unknown substance has a mass of 0.125 kg and an...Ch. 11 - Suppose 9.30 105 J of energy are transferred to...Ch. 11 - How much thermal energy is required to boil 2.00...Ch. 11 - A 75-g ice cube al 0C is placed in 825 g of water...Ch. 11 - A 50.-kg ice cube at 0C is heated until 45 g has...Ch. 11 - A 100.-g cube of ice at 0C is dropped into 1.0 kg...Ch. 11 - How much energy is required to change a 40.-g ice...Ch. 11 - A 75-kg cross-country skier glides over snow as in...Ch. 11 - Into a 0.500-kg aluminum container at 20.0C is...Ch. 11 - A 40.-g block of ice is cooled to 78C and is then...Ch. 11 - When you jog, most of the food energy you burn...Ch. 11 - A high-end gas stove usually has at least one...Ch. 11 - A 60.0-kg runner expends 3.00 102 W of power...Ch. 11 - Steam at 100.C is added to ice at 0C. (a) Find the...Ch. 11 - The excess internal energy of metabolism is...Ch. 11 - A 3.00-g lead bullet at 30.0C is fired at a speed...Ch. 11 - A glass windowpane in a home is 0.62 cm thick and...Ch. 11 - A pond with a flat bottom has a surface area of...Ch. 11 - The thermal conductivities of human tissues vary...Ch. 11 - A steam pipe is covered with 1.50-cm-thick...Ch. 11 - The average thermal conductivity of the walls...Ch. 11 - Consider two cooking pots of the same dimensions,...Ch. 11 - A thermopane window consists of two glass panes,...Ch. 11 - A copper rod and an aluminum rod of equal diameter...Ch. 11 - A Styrofoam box has a surface area of 0.80 m and a...Ch. 11 - A rectangular glass window pane on a house has a...Ch. 11 - A granite ball of radius 2.00 m and emissivity...Ch. 11 - Measurements on two stars indicate that Star X has...Ch. 11 - The filament of a 75-W light bulb is at a...Ch. 11 - The bottom of a copper kettle has a 10.0-cm radius...Ch. 11 - A family comes home from a long vacation with...Ch. 11 - A 0.040.-kg ice cube floats in 0.200 kg of water...Ch. 11 - The surface area of an unclothed person is 1.50...Ch. 11 - A student measures the following data in a...Ch. 11 - Overall, 80% of the energy used by the body must...Ch. 11 - A class of 10 students; taking an exam has a power...Ch. 11 - A class of 10 students taking an exam has a power...Ch. 11 - A bar of gold (Au) is in thermal contact with a...Ch. 11 - An iron plate is held against an iron, wheel so...Ch. 11 - An automobile has a mass of 1 500 kg, and its...Ch. 11 - Three liquids are at temperatures of 10C, 20C, and...Ch. 11 - Earths surface absorbs an average of about 960....Ch. 11 - A wood stove is used to heat a single room. The...Ch. 11 - A solar cooker consists of a curved reflecting...Ch. 11 - For bacteriological testing of water supplies and...Ch. 11 - The surface of the Sun has a temperature of about...Ch. 11 - The evaporation of perspiration is the primary...Ch. 11 - At time t = 0, a vessel contains a mixture of 10....Ch. 11 - An ice-cube tray is filled with 75.0 g of water....Ch. 11 - An aluminum rod and an iron rod are joined end to...

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