EP CONCEPTUAL INTEGRATED SCIENCE-ACCESS
3rd Edition
ISBN: 9780135213346
Author: Hewitt
Publisher: PEARSON CO
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Chapter 25, Problem 32RCQ
To determine
One example of a depositional landform which is produced or formed with the help of wind.
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Consider the schematic of the molecule shown, with two hydrogen atoms, H, bonded to an oxygen atom, O. The angle between the two bonds is 106°. If the bond length r 0.106 nm long, locate the center of mass of the molecule. The mass mH of the hydrogen atom is 1.008 u, and the
mass mo of the oxygen atom is 15.9999 u. (Use a coordinate system centered in the oxygen atom, with the x-axis to the right and the y-axis upward. Give the coordinates of the center of mass in nm.)
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An approximate model for a ceiling fan consists of a cylindrical disk with four thin rods extending from the disk's center, as in the figure below. The disk has mass 2.60 kg and radius 0.200 m. Each rod has mass 0.850 kg and is 0.700 m long.
HINT
(a) Find the ceiling fan's moment of inertia about a vertical axis through the disk's center. (Enter your answer in kg • m².)
kg. m²
(b) Friction exerts a constant torque of magnitude 0.113 N m on the fan as it rotates. Find the magnitude of the constant torque provided by the fan's motor if the fan starts from rest and takes 15.0 s and 17.5 full revolutions to reach its maximum speed. (Enter your answer in N. m.)
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A uniform, thin rod hangs vertically at rest from a frictionless axle attached to its top end. The rod has a mass of 0.780 kg and a length of 1.54 m. (Assume a coordinate system where the +y-direction is up and the +x-direction is to the right. The rod is free to swing about the axle in the x-
y plane.)
(a) You take a hammer and strike the bottom end of the rod. At the instant the hammer strikes, the force it applies to the rod is (15.71) N. What is the acceleration (in m/s²) of the rod's center of mass at this instant? (Express your answer in vector form.)
m/s²
a =
(b) What is the horizontal force (in N) that the axle exerts on the rod at this same instant? (Express your answer in vector form.)
F =
N
(c) The rod then returns to hanging at rest. You again strike the rod with the hammer, applying the same force, but now you strike it at its midpoint. What now is the acceleration of the center of mass (in m/s²) at the instant of impact? (Express your answer in vector form.)
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(d)…
Chapter 25 Solutions
EP CONCEPTUAL INTEGRATED SCIENCE-ACCESS
Ch. 25 - Prob. 1RCQCh. 25 - Prob. 2RCQCh. 25 - Prob. 3RCQCh. 25 - What is the name of the geologic process that...Ch. 25 - What is the name of the geologic process that...Ch. 25 - How much sediment does the Mississippi River move...Ch. 25 - How does the size of a streams drainage basin...Ch. 25 - What is another name for a drainage basin?Ch. 25 - Prob. 9RCQCh. 25 - Prob. 10RCQ
Ch. 25 - Prob. 11RCQCh. 25 - Prob. 12RCQCh. 25 - Prob. 13RCQCh. 25 - Prob. 14RCQCh. 25 - Prob. 15RCQCh. 25 - Prob. 16RCQCh. 25 - Prob. 17RCQCh. 25 - Prob. 18RCQCh. 25 - Prob. 19RCQCh. 25 - Prob. 20RCQCh. 25 - Why are sinkholes most common in locations where...Ch. 25 - How does a stalagmite form? A stalactite?Ch. 25 - Prob. 23RCQCh. 25 - Prob. 24RCQCh. 25 - Prob. 25RCQCh. 25 - Prob. 26RCQCh. 25 - Prob. 27RCQCh. 25 - How do headlands form?Ch. 25 - Prob. 29RCQCh. 25 - Prob. 30RCQCh. 25 - Prob. 31RCQCh. 25 - Prob. 32RCQCh. 25 - Name an environment where wind shapes the...Ch. 25 - Prob. 34TISCh. 25 - Prob. 35TISCh. 25 - Prob. 36TISCh. 25 - Prob. 37TISCh. 25 - What are two end products that result from the...Ch. 25 - Prob. 39TISCh. 25 - How does the acidification of rainwater contribute...Ch. 25 - What are the four ingredients in all soils?Ch. 25 - Prob. 42TISCh. 25 - Describe the type of soil preferred by most...Ch. 25 - How does silty soil differ from sandy soil?Ch. 25 - Why is topsoil a nonrenewable resource?Ch. 25 - Prob. 46TISCh. 25 - Prob. 47TISCh. 25 - Why do trees sometimes bend at their base when...Ch. 25 - Prob. 49TISCh. 25 - What are the characteristics of a flow?Ch. 25 - Prob. 51TISCh. 25 - Whats the most common cause of mass wasting...Ch. 25 - What factors predispose a slope to mass wasting?Ch. 25 - Rank these soils in order of increasing particle...Ch. 25 - Rank these agents of erosion from most powerful to...Ch. 25 - A stream channel has a cross-sectional area of 30...Ch. 25 - Prob. 60TSCh. 25 - Show that a mountain that can be approximated by a...Ch. 25 - Why are areas with fine sediments, such as...Ch. 25 - Prob. 63TECh. 25 - Why are all the grains of sand on the beach...Ch. 25 - Prob. 65TECh. 25 - How does rainwater cause weathering? Can it also...Ch. 25 - Prob. 67TECh. 25 - Prob. 68TECh. 25 - You take a topsoil sample from your backyard and...Ch. 25 - Prob. 70TECh. 25 - Prob. 71TECh. 25 - Prob. 72TECh. 25 - Why does water in a stream typically move slower...Ch. 25 - Prob. 74TECh. 25 - Prob. 75TECh. 25 - Prob. 76TECh. 25 - Prob. 77TECh. 25 - Prob. 78TECh. 25 - Prob. 79TECh. 25 - An impression is a type of fossil that is made by...Ch. 25 - Prob. 81TECh. 25 - A builder removes the vegetation from a hillside...Ch. 25 - Prob. 83TECh. 25 - Why do caves generally form below the water table?Ch. 25 - Prob. 85TECh. 25 - Prob. 86TECh. 25 - Prob. 87TECh. 25 - Prob. 88TECh. 25 - Prob. 89TECh. 25 - Prob. 90TECh. 25 - Prob. 91TECh. 25 - Prob. 92TDICh. 25 - Prob. 93TDICh. 25 - Why is topsoil essential to conserve and protect?...Ch. 25 - Prob. 2RATCh. 25 - The most powerful agent of erosion in shaping...Ch. 25 - Prob. 4RATCh. 25 - Prob. 5RATCh. 25 - A sinkhole is evidence of a wind erosion b...Ch. 25 - Prob. 7RATCh. 25 - Prob. 8RATCh. 25 - Surface processes include a weathering, erosion,...Ch. 25 - Prob. 10RAT
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