PHYSICS:PRINCIPLES W/ APPLICATIONS
7th Edition
ISBN: 2818440037979
Author: GIANCOLI
Publisher: PEARSON
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Chapter 14, Problem 2Q
To determine
Does temperature flow between hot and cold object and if temperature changes equally in them.
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Draw a right-handed 3D Cartesian coordinate system (= x, y and z axes). Show a vector A with
tail in the origin and sticking out in the positive x, y and z directions. Show the angles between A
and the positive x, y and z axes, and call these angles α₁, α₂ and α3
Prove that Ax Acos α₁
Ay
= Acos α₂
A₂- Acos α3
solve for Vo
Draw a third quadrant vector C. (remember that boldface characters represent vector
quantities). Show the standard angle 0 for this vector (= angle that C makes with the positive x-
axis). Also show the angle that C makes with the negative y-axis: call the latter angle 8. Finally,
show the smallest angles that C makes with the positive x-axis and the positive y-axis: call these
angles p1 and p2, repectively.
a) Prove the following formulas for the components of C involving the standard angle (hint:
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necessary) co-function identities linking cosine and sine of 8 to sine and cosine of 0 since 8 =
3π/2-8 (this will switch cosine and sine around and eliminate - signs as well))
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C=Ccose
C₁=Csine
b) Prove the following formulas for the components of C:
C=Ccosp1
C=Ccosp2
Chapter 14 Solutions
PHYSICS:PRINCIPLES W/ APPLICATIONS
Ch. 14 - Prob. 1OQCh. 14 - Prob. 1QCh. 14 - Prob. 2QCh. 14 - (a) If two objects of different temperatures are...Ch. 14 - In warm regions where tropical plants grow but the...Ch. 14 - Prob. 5QCh. 14 - Prob. 6QCh. 14 - Prob. 7QCh. 14 - Prob. 8QCh. 14 - Prob. 9Q
Ch. 14 - Prob. 10QCh. 14 - 11. Explorers on failed Arctic expeditions have...Ch. 14 - Prob. 12QCh. 14 - Prob. 13QCh. 14 - Prob. 14QCh. 14 - Prob. 15QCh. 14 - Prob. 16QCh. 14 - Prob. 17QCh. 14 - Prob. 18QCh. 14 - Prob. 19QCh. 14 - Prob. 20QCh. 14 - Prob. 21QCh. 14 - A premature baby in an incubator can be...Ch. 14 - Prob. 23QCh. 14 - Prob. 24QCh. 14 - Prob. 25QCh. 14 - 26. The Earth cools off at night much more quickly...Ch. 14 - Prob. 27QCh. 14 - Prob. 28QCh. 14 - Prob. 29QCh. 14 - Prob. 1MCQCh. 14 - Both beakers A and B in Fig. 14-15 [ contain a...Ch. 14 - 3. For objects at thermal equilibrium, which of...Ch. 14 - Prob. 4MCQCh. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - Prob. 7MCQCh. 14 - Prob. 8MCQCh. 14 - Prob. 9MCQCh. 14 - Prob. 10MCQCh. 14 - Prob. 11MCQCh. 14 - Prob. 12MCQCh. 14 - To what temperature will 8200 J of heat raise 3.0...Ch. 14 - How much heat (in joules) is required to raise the...Ch. 14 - Prob. 3PCh. 14 - An average active person consumes about 2500 Cal a...Ch. 14 - A British thermal unit (Btu) is a unit of heat in...Ch. 14 - How many joules and kilocalories are generated...Ch. 14 - A water heater can generate 32,000 kJ/h. How much...Ch. 14 - Prob. 8PCh. 14 - An automobile cooling system holds 18 L of water....Ch. 14 - What is the specific heat of a metal substance if...Ch. 14 - (a) How much energy is required to bring a 1.0-L...Ch. 14 - Prob. 12PCh. 14 - How long does it take a 750-W coffeepot to bring...Ch. 14 - 14. (II) What will be the equilibrium temperature...Ch. 14 - A 31.5-g glass thermometer reads 23.6°C before it...Ch. 14 - A 0.40-kg iron horseshoe, just forged and very hot...Ch. 14 - Prob. 17PCh. 14 - The heat capacity, C, ofan object is defined as...Ch. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - Prob. 21PCh. 14 - Estimate the Calorie content of 65 g of candy from...Ch. 14 - Prob. 23PCh. 14 - If 3.40 x 105 J of energy is supplied to a...Ch. 14 - How much heat is needed to melt 23.50 kg of silver...Ch. 14 - Prob. 26PCh. 14 - What mass of steam at 100°C must be added to 1.00...Ch. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - Prob. 31PCh. 14 - Prob. 32PCh. 14 - Prob. 33PCh. 14 - A cube of ice is taken from the freezer at -8.5°C...Ch. 14 - Prob. 35PCh. 14 - Prob. 36PCh. 14 - Prob. 37PCh. 14 - Prob. 38PCh. 14 - 39. How long does it take the Sun to melt a block...Ch. 14 - Prob. 40PCh. 14 - Two rooms, each a cube 4.0 m per side, share a...Ch. 14 - Prob. 42PCh. 14 - Approximately how long should it take 8.2 kg of...Ch. 14 - Prob. 44PCh. 14 - Suppose the insulating qualities of the wall of a...Ch. 14 - Prob. 46GPCh. 14 - (a) Estimate the total power radiated into space...Ch. 14 - Prob. 48GPCh. 14 - Prob. 49GPCh. 14 - A mountain climber wears a goose-down jacket 3.5...Ch. 14 - Prob. 51GPCh. 14 - Prob. 52GPCh. 14 - Prob. 53GPCh. 14 - Prob. 54GPCh. 14 - Prob. 55GPCh. 14 - Prob. 56GPCh. 14 - Prob. 57GPCh. 14 - Prob. 58GPCh. 14 - Prob. 59GPCh. 14 - Prob. 60GPCh. 14 - Prob. 61GPCh. 14 - Prob. 62GPCh. 14 - Prob. 63GPCh. 14 - Prob. 64GPCh. 14 - A leaf of area 40 cm2and mass 4.5 x 10-4kg...Ch. 14 - Prob. 66GPCh. 14 - Prob. 67GPCh. 14 - Prob. 68GP
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