Pearson eText Conceptual Physical Science -- Instant Access (Pearson+)
6th Edition
ISBN: 9780134857107
Author: Paul Hewitt, John Suchocki
Publisher: PEARSON+
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Chapter 22, Problem 87E
To determine
The well-known landscapes that have been carved by glaciers.
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Part A:
kg
(a) Water at 20 °C (p = 998.3 and v = 1 × 10-6 m²/s) flows through a galvanised
m³
iron pipe (k = 0.15 mm) with a diameter of 25 mm, entering the room at point A and
discharging at point C from the fully opened gate valve B at a volumetric flow rate of
0.003 m³/s. Determine the required pressure at A, considering all the losses that occur
in the system described in Figure Q1. Loss coefficients for pipe fittings have been
provided in Table 1.
[25 marks]
(b) Due to corrosion within the pipe, the average flow velocity at C is observed to be
V2 m/s after 10 years of operation whilst the pressure at A remains the same as
determined in (a). Determine the average annual rate of growth of k within the pipe.
[15 marks]
4₁
Figure Q1. Pipe system
Page 2
25 mm
For an independent study project, you design an experiment to measure the speed of light. You propose to bounce laser light off a mirror that is 53.5 km due east and have it detected by a light sensor that is 119 m due south of the laser. The first problem is to orient the mirror so that the laser light reflects off the mirror and into the light sensor.
(a) Determine the angle that the normal to the mirror should make with respect to due west.(b) Since you can read your protractor only so accurately, the mirror is slightly misaligned and the actual angle between the normal to the mirror and due west exceeds the desired amount by 0.003°. Determine how far south you need to move the light sensor in order to detect the reflected laser light.
Chapter 22 Solutions
Pearson eText Conceptual Physical Science -- Instant Access (Pearson+)
Ch. 22 - Where does most of Earths precipitation occur?Ch. 22 - As water is precipitated onto the land, where does...Ch. 22 - Distinguish between porosity and hydraulic...Ch. 22 - If a hole is dug in the unsaturated zone, does it...Ch. 22 - Prob. 5RCQCh. 22 - Prob. 6RCQCh. 22 - What is an artesian system, and how is it formed?Ch. 22 - Prob. 8RCQCh. 22 - How does rainwater naturally become acidic? How...Ch. 22 - Prob. 10RCQ
Ch. 22 - Name three erosional features caused by...Ch. 22 - What is the difference between a cave and a...Ch. 22 - Prob. 13RCQCh. 22 - What happens to stream speed when the discharge of...Ch. 22 - Prob. 15RCQCh. 22 - Which transports more sediment: a laminar flow or...Ch. 22 - Prob. 17RCQCh. 22 - Prob. 18RCQCh. 22 - Prob. 19RCQCh. 22 - What types of streams and stream valleys do we...Ch. 22 - Prob. 21RCQCh. 22 - What is a delta?Ch. 22 - Prob. 23RCQCh. 22 - Prob. 24RCQCh. 22 - Prob. 25RCQCh. 22 - Prob. 26RCQCh. 22 - Prob. 27RCQCh. 22 - What land features are formed from glacial...Ch. 22 - Prob. 29RCQCh. 22 - How are ripple marks formed?Ch. 22 - Prob. 31AHOPCh. 22 - Prob. 32AHOPCh. 22 - Prob. 33TASCh. 22 - A particular stream widens as it progresses...Ch. 22 - A pumping well was drilled and completed in a sand...Ch. 22 - Darcys law gives us the volume flow ratevolume per...Ch. 22 - The hydraulic head at point A is 209 m. At point...Ch. 22 - Prob. 38TARCh. 22 - Prob. 39TARCh. 22 - In descending order, rank the rocks in terms of...Ch. 22 - A stream becomes a river as h moves downgradient....Ch. 22 - Rank, from greatest to least, these forces of...Ch. 22 - Streams carry sediment as well as water. List the...Ch. 22 - A delta is the end of a river. Going from offshore...Ch. 22 - Prob. 45TARCh. 22 - What percentage of Earth's supply of water is...Ch. 22 - Where does most rainfall on Earth finally end up...Ch. 22 - Evaporation moves water from Earth's surface to...Ch. 22 - Prob. 49ECh. 22 - Prob. 50ECh. 22 - Prob. 51ECh. 22 - In an aquifer, if the water table next to a stream...Ch. 22 - In a confined aquifer, water in a well can rise...Ch. 22 - In an unconfined aquifer, how high can water rise...Ch. 22 - Prob. 55ECh. 22 - What are low-permeability rocks? Do they make good...Ch. 22 - Prob. 57ECh. 22 - Prob. 58ECh. 22 - Prob. 59ECh. 22 - Prob. 60ECh. 22 - Prob. 61ECh. 22 - Prob. 62ECh. 22 - Prob. 63ECh. 22 - What happens to stream speed if the discharge in a...Ch. 22 - Prob. 65ECh. 22 - Prob. 66ECh. 22 - In the United States, the Continental Divide...Ch. 22 - Prob. 68ECh. 22 - What three variables influence the speed of stream...Ch. 22 - Prob. 70ECh. 22 - Why do point bars form on the inside bends of...Ch. 22 - In the formation of a river delta, why are larger...Ch. 22 - What causes the formation of distributaries off...Ch. 22 - Prob. 74ECh. 22 - Why is surface water both a creator and a...Ch. 22 - Streams transport great amounts of sediment. Then...Ch. 22 - In terms of size, what kinds of sediments are...Ch. 22 - How does frictional drag play a role in the...Ch. 22 - Prob. 79ECh. 22 - Prob. 80ECh. 22 - Does all the ice in a glacier move at the same...Ch. 22 - Prob. 82ECh. 22 - Prob. 83ECh. 22 - Prob. 84ECh. 22 - Prob. 85ECh. 22 - Prob. 86ECh. 22 - Prob. 87ECh. 22 - Prob. 88ECh. 22 - Prob. 89ECh. 22 - Prob. 90ECh. 22 - Prob. 91ECh. 22 - Which of the three agents of transportationwind,...Ch. 22 - Which of the three agents of transportationwater,...Ch. 22 - Prob. 94ECh. 22 - Prob. 95ECh. 22 - Prob. 96DQCh. 22 - How does an increase in stream gradient and...Ch. 22 - Prob. 98DQCh. 22 - Prob. 99DQCh. 22 - Prob. 100DQCh. 22 - Prob. 1RATCh. 22 - Prob. 2RATCh. 22 - The work of surface water include all of the...Ch. 22 - The maximum amount of water a particular soil can...Ch. 22 - Prob. 5RATCh. 22 - Sand dunes move as wind (a) disperses sand. (b)...Ch. 22 - Prob. 7RATCh. 22 - What factors affect stream speed? (a) Discharge...Ch. 22 - Snow converts to glacial ice when subjected to (a)...Ch. 22 - Underground water in the saturated zone is called...
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- Identify the most likely substancearrow_forwardA proton moves at 5.20 × 105 m/s in the horizontal direction. It enters a uniform vertical electric field with a magnitude of 8.40 × 103 N/C. Ignore any gravitational effects. (a) Find the time interval required for the proton to travel 6.00 cm horizontally. 83.33 ☑ Your response differs from the correct answer by more than 10%. Double check your calculations. ns (b) Find its vertical displacement during the time interval in which it travels 6.00 cm horizontally. (Indicate direction with the sign of your answer.) 2.77 Your response differs from the correct answer by more than 10%. Double check your calculations. mm (c) Find the horizontal and vertical components of its velocity after it has traveled 6.00 cm horizontally. 5.4e5 V × Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. I + [6.68e4 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each…arrow_forward(1) Fm Fmn mn Fm B W₁ e Fmt W 0 Fit Wt 0 W Fit Fin n Fmt n As illustrated in Fig. consider the person performing extension/flexion movements of the lower leg about the knee joint (point O) to investigate the forces and torques produced by muscles crossing the knee joint. The setup of the experiment is described in Example above. The geometric parameters of the model under investigation, some of the forces acting on the lower leg and its free-body diagrams are shown in Figs. and For this system, the angular displacement, angular velocity, and angular accelera- tion of the lower leg were computed using data obtained during the experiment such that at an instant when 0 = 65°, @ = 4.5 rad/s, and a = 180 rad/s². Furthermore, for this sys- tem assume that a = 4.0 cm, b = 23 cm, ß = 25°, and the net torque generated about the knee joint is M₁ = 55 Nm. If the torque generated about the knee joint by the weight of the lower leg is Mw 11.5 Nm, determine: = The moment arm a of Fm relative to the…arrow_forward
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