Physical Universe
16th Edition
ISBN: 9780077862619
Author: KRAUSKOPF, Konrad B. (konrad Bates), Beiser, Arthur
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 14, Problem 20E
Why does the average air temperature decrease going from the equator to the poles?
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Two chloride ions and two sodium ions are in water, the "effective charge" on the chloride ions (CI¯) is −2.00 × 10-21 C
and that of the sodium ions (Na+) is +2.00 x 10-21 C. (The effective charge is a way to account for the partial shielding due
to nearby water molecules.) Assume that all four ions are coplanar.
CT
Na+
Na+
30.0°
45.0%
с
сг
L.
where a = 0.300 nm, b = 0.710 nm, and c = 0.620 nm.
What is the direction of electric force on the chloride ion in the lower right-hand corner in the diagram? Enter the angle in degrees
where positive indicates above the negative x-axis and negative indicates below the positive x-axis.
A pendulum has a 0.4-m-long cord and is given a tangential velocity of 0.2 m/s toward the
vertical from a position 0 = 0.3 rad.
Part A
Determine the equation which describes the angular motion.
Express your answer in terms of the variable t. Express coefficients in radians to three significant figures.
ΜΕ ΑΣΦ
vec
(t)=0.3 cos (4.95t) + 0.101 sin (4.95t)
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Part A
■Review
The uniform 150-lb stone (rectangular block) is being turned over on its side by pulling the
vertical cable slowly upward until the stone begins to tip.
(Figure 1)
If it then falls freely (T = 0) from an essentially balanced at-rest position, determine the speed at which the corner A strikes the pad at B. The stone does not slip at its corner C as it falls. Suppose that height of the stone is
L = 1.2 ft.
Express your answer to three significant figures and include the appropriate units.
?
ft
VA 10.76
S
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Chapter 14 Solutions
Physical Universe
Ch. 14 - Arrange the following gases in the order of their...Ch. 14 - Much of Tibet lies in altitudes above 5.5 km...Ch. 14 - Prob. 3MCCh. 14 - Temperatures in the stratosphere increase with...Ch. 14 - The ozone in the stratosphere a. reflects radio...Ch. 14 - The breakdown of the ozone layer is promoted by...Ch. 14 - Saturated air has a relative humidity of a. 0 b. 1...Ch. 14 - The higher the temperature of a volume of air, the...Ch. 14 - When saturated air is cooled, a. it becomes able...Ch. 14 - Clouds consist of a. water droplets at all...
Ch. 14 - Prob. 11MCCh. 14 - (a) The three basic cloud types are cirrus,...Ch. 14 - Insolation is a. the insulating effect of the...Ch. 14 - The chief source of atmospheric heat is a....Ch. 14 - Prob. 15MCCh. 14 - The seasons occur as a result of a. variations in...Ch. 14 - Because of the coriolis effect, a wind in the...Ch. 14 - Prob. 18MCCh. 14 - Prob. 19MCCh. 14 - Prob. 20MCCh. 14 - The middle latitudes usually experience winds from...Ch. 14 - The generally easterly winds that blow on both...Ch. 14 - Prob. 23MCCh. 14 - The trade-wind belts are regions of generally a....Ch. 14 - A cyclone is a weather system centered about a a....Ch. 14 - Prob. 26MCCh. 14 - Unstable weather is associated with a. cyclones b....Ch. 14 - Tornados a. are narrow cyclonic storms b. are...Ch. 14 - The chief reason the equatorial regions are warmer...Ch. 14 - The greatest seasonal variations in temperature...Ch. 14 - Prob. 31MCCh. 14 - Ice ages a. cover the entire earth with a sheet of...Ch. 14 - The approximate percentage of the earths surface...Ch. 14 - Compared with the average height of the continents...Ch. 14 - The deepest known point of the oceans is found in...Ch. 14 - The Hawaiian Islands are a. part of a sunken...Ch. 14 - Tsunamis are caused by a. monsoons b. typhoons c....Ch. 14 - Prob. 38MCCh. 14 - Prob. 39MCCh. 14 - Prob. 40MCCh. 14 - What causes ionization to occur in the upper...Ch. 14 - Suppose you are climbing in an airplane that has...Ch. 14 - The tropopause, stratopause, and mesopause are...Ch. 14 - What would happen if ozone were to disappear from...Ch. 14 - Why are chlorofluorocarbon (CFC) gases, which are...Ch. 14 - What does it mean to say that a certain volume of...Ch. 14 - Prob. 7ECh. 14 - Why does the air in a heated room tend to be dry?Ch. 14 - The air in a closed container is saturated with...Ch. 14 - (a) Why does dew form on the ground during clear,...Ch. 14 - What does Fig. 14-6 tell us about the relative...Ch. 14 - What do high-altitude clouds consist of?...Ch. 14 - What initiates the fall of rain from a cloud? The...Ch. 14 - (a) The three basic cloud types are cirrus,...Ch. 14 - What is insolation? How does it affect the...Ch. 14 - (a) On a clear day, solar radiation is most...Ch. 14 - What is the greenhouse effect and how is it...Ch. 14 - Compare the ways in which the troposphere and the...Ch. 14 - If the earths atmosphere were to disappear, what...Ch. 14 - Why does the average air temperature decrease...Ch. 14 - What are the two mechanisms by which energy of...Ch. 14 - Account for the abrupt changes in temperature...Ch. 14 - In the northern hemisphere, the longest day is in...Ch. 14 - If the earths axis were tilted more than its...Ch. 14 - The Tropic of Cancer is the most northerly...Ch. 14 - (a) At what times of year are the periods of...Ch. 14 - What is a solstice?Ch. 14 - Prob. 28ECh. 14 - Distinguish between an isobar and a millibar.Ch. 14 - A wind in the northern hemisphere starts to blow...Ch. 14 - Prob. 31ECh. 14 - Where in the atmosphere do the jet streams occur?...Ch. 14 - Prob. 33ECh. 14 - Prob. 34ECh. 14 - Prob. 35ECh. 14 - Prob. 36ECh. 14 - How does the weather associated with a cyclone...Ch. 14 - Prob. 38ECh. 14 - Prob. 39ECh. 14 - Prob. 40ECh. 14 - Prob. 41ECh. 14 - Prob. 42ECh. 14 - Prob. 43ECh. 14 - Prob. 44ECh. 14 - Prob. 45ECh. 14 - Prob. 46ECh. 14 - Prob. 47ECh. 14 - Prob. 48ECh. 14 - Prob. 49ECh. 14 - Prob. 50ECh. 14 - Prob. 51ECh. 14 - Prob. 52ECh. 14 - Prob. 53ECh. 14 - Prob. 54ECh. 14 - Prob. 55ECh. 14 - Prob. 56ECh. 14 - In what two ways do the oceans influence climates...Ch. 14 - England and Labrador are at about the same...Ch. 14 - The California Current along the California coast...Ch. 14 - Prob. 60ECh. 14 - Prob. 61E
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- Consider the circuit shown in the figure. The battery has emf ε = 69 volts and negligible internal resistance. The inductance is L = 0.4 H and the resistances are R 1 = 12 Ω and R 2 = 9.0 Ω. Initially the switch S is open and no currents flow. Then the switch is closed. After leaving the switch closed for a very long time, it is opened again. Just after it is opened, what is the current in R 1?arrow_forwardA capacitor with a capacitance of C = 5.95×10−5 F is charged by connecting it to a 12.5 −V battery. The capacitor is then disconnected from the battery and connected across an inductor with an inductance of L = 1.55 H . At the time 2.35×10−2 s after the connection to the inductor is made, what is the current in the inductor? At that time, how much electrical energy is stored in the inductor?arrow_forwardCan someone help me with this question. Thanks.arrow_forward
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