*105.ssm Objects A and B in the figure are made from copper, butthe mass of object B is three times that of object A. Object C is madefrom glass and has the same mass as object B. The same amount of heatQ is supplied to each one: Q = 14 J. Concepts: (i) Which object, A or B,experiences a greater rise in temperature, and why? (ii) Which object, Bor C, experiences a greater rise in temperature, and why? Calculations:Determine the rise in temperature of each block.GlassCopperC.BmA = 2.0 g mg = 6.0 g mc = 6.0 g%3D

Given: The heat supplied is 14 J.

Answered: *105. ssm Objects A and B in the figure…

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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Specific heat (c) J/kg C 900 Problem 6: Consider a 0.775 kg aluminum pot containing 2.35 kg of water. Substances Solids Aluminum kcal/kg-C 0.215 Concrete 840 0.20 Copper 387 0.0924 Glass 840 0.20 Human Body (37°C) 3500 0.83 Iron, steel 452 0.108 Liquids Water 4186 1.000 Mercury 139 0.0333 Part (a) How much heat, in kilocalories, must be transferred to raise the temperature of the aluminum pot and the water from 30.0°C to the boiling point of water and then boil away 0.775 kg of water (L, = 539 kcal/kg)? Q = sin() cos() tan() 7 8 9 HOME cotan() asin() acos() E 6. atan() acotan() sinh() 1 2. 3 cosh() tanh() cotanh() + END ODegrees O Radians Vol BACKSPACE DEL CLEAR Feedback I give up! Submit Hint Part (b) How long, in seconds, does this take if the rate of heat transfer is 500 W?
Required information In an emergency, it is sometimes the practice of medical professionals to immerse a patient who suffers from heat stroke in an ice bath, a mixture of ice and water in equilibrium at 0°C, in order to reduce her body temperature. The average specific heat of human tissue at 20.0°C is 3.50 x 103 J/kg-K. The latent heat of fusion for water is 333.7 x 10 J/kg. A(n) 85.1-kg patient whose body temperature is 43.5°C was reduced to 37.0°C. If she is placed in a bath containing 5.70 kg of ice, what will be the ice remaining in the bath when her body temperature is 37.O°C? kg
The temperature of a copper bar rises by 10.0°C when it absorbs 2.03 kJ of energy by heat. The mass of the bar is 525 g. Determine the specific heat of copper from these data. kJ/kg • °C
QUESTION 4 Situation: The specific heat of an object can be measured by placing it in thermal contact with another object whose specific heat is known. As an example, suppose that a chunk of metal, whose mass is 0.21 kg, is immersed in boiling water (100 °C) until it reaches thermal equilibrium, at which time it has a temperature of 100 °C. The chunk of metal is then quickly transferred into a styrofoam (insulating) cup containing 0.18 kg of water at 20 °C. After a minute or so, the temperature of the contents of the cup stabilizes at 33 °C. Assume that once the metal is added to the cup the only energy transfer is between the hot metal and the colder water. In other words, there are no significant energy transfers to either the cup itself or to the surroundings. The specific heat of water in the relevant range of temperature is roughly 4.2 kJ kg 1 °c-1, Question: What is the specific heat of the metal (in units of kJ kg1 °C-1, but do not include units in your answer)? Hint: Solving…
Homework 3: Problem 9: An electric coffeemaker has a 790-W heating element. The specific heat of water is 4.19 × 103 J/(kg⋅°C). How long, in seconds, does it take the coffeemaker to heat 0.57 L of water from 18°C to 95°C, assuming all the heat produced by the heating element goes into the water? Δt = ______
Equal masses of substance A at 98.1°C and substance B at 26.2°C are placed in a well-insulated container of negligible mass and allowed to come to equilibrium. If the equilibrium temperature is 77.4°C, which substance has the larger specific heat? a) substance A b) The answer depends on the exact initial temperatures. c) More information is required. d) The specific heats are identical.
A 60.0-kg runner expends 359 W of power while running a marathon. Assuming 12.5% of the energy is delivered to the muscle tissue and that the excess energy is removed from the body by sweating, determine the volume of bodily fluid (assume it is water) lost per hour. (At 37.0°C the latent heat of vaporization of water is 2.41 ✕ 106 J/kg.) cm3
A 1,240 kg car going 30 m/s is brought to a stop using its brakes. Let's assume that a total of approximately 30 kg of iron in the brakes and wheels absorbs the heat produced by the friction. (a) What was the car's original kinetic energy (in J)? J (b) After the car has stopped, what is the change in temperature (in °C) of the brakes and wheels? °C
Between 1793 and 1837, the U.S. penny was made entirely of copper and had a mass of 3.20 g. A coin collector accidentally drops one such penny from the balcony of his high-rise apartment, 36.0 m above the street. If 42.0% of the change in gravitational energy of the penny–Earth system is converted into internal energy of the penny, what is the increase in the temperature of the coin just before it impacts with the sidewalk? °C
0.4 kg water is at room temperature 23 degrees in an aluminum container. An unknown metal with 0.5 kg mass is placed inside the water raising its temperature to 40 degrees. A)What is the specific heat of the unknown metal. B) Would the equilibrium temperature greater, less or the same if the system was not properly isolated.
*55. ssm A rock of mass 0.20 kg falls from rest from a height of 15 m into a pail containing 0.35 kg of water. The rock and water have the same initial temperature. The specific heat capacity of the rock is 1840 J/(kg · C°). Ignore the heat absorbed by the pail itself, and determine the rise in the temperature of the rock and water.

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