College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Chapter 14, Problem 43P
To determine
The terminal speed of a sphere, which is falling through a fluid when a constant downward force of
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The velocity of an object moving through a fluid can be modeled by the drag equation: dv/dt = −kv^2 where k is constant. A. Find the general solution to this equation. B. An object moving through the water has an initial velocity of 16 m/sec. After 2.0 seconds, the velocity has decreased to 12 m/sec. What will the velocity be after ten seconds?
II Review | Constants
In a hydroelectric dam, water falls 33.0 m and then
spins a turbine to generate electricity.
You may want to review (Pages 234 - 238).
Part A
What is AU of 1.0 kg of water?
Express your answer with the appropriate units.
?
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5. Calculate the arc length S1 in the accompanying figure. R2 = 8 cm, R1 = 3cm, and S2 = 15.20 cm.
S2
R -
R2-
6. Calculate the buoyancy force acting on a partially immersed boat (V = 14 m³). The density of water is 1000
kg/m³.
7. A car starts from rest and accelerates to a speed of 45 mph in 25 s. The acceleration during this period is
constant. For the next 30 minutes that car moves with the constant speed of 45 mph. At this time the driver
of the car applies the brake and the car decelerates to a full stop in 25 s. The variation of the speed of the car
with time is shown in the accompanying diagram. Determine the total distance travelled by the car and the
average speed of the car over this distance.
45
25
1825
1850
Time (s)
Speed (mph)
Chapter 14 Solutions
College Physics
Ch. 14 - Prob. 1RQCh. 14 - Prob. 2RQCh. 14 - Prob. 3RQCh. 14 - Prob. 4RQCh. 14 - Prob. 5RQCh. 14 - Review Question 14.6 Describe some of the...Ch. 14 - Review Question 14.7 When a skydiver falls at...Ch. 14 - Prob. 1MCQCh. 14 - A river flows downstream and widens, and the flow...Ch. 14 - Prob. 3MCQ
Ch. 14 - Prob. 4MCQCh. 14 - 5. As a river approaches a dam, the width of the...Ch. 14 - Prob. 6MCQCh. 14 - What is viscous flow? a. A physical phenomenon b....Ch. 14 - 8. The heart does about 1 J of work pumping blood...Ch. 14 - Several air bubbles are present in water flowing...Ch. 14 - A small metal ball is released from just below the...Ch. 14 - 11. A small metal ball is launched downward from...Ch. 14 - You have two identical large jugs with small holes...Ch. 14 - 13. Why does much of the pressure drop in the...Ch. 14 - If you partly close the end of a hose with your...Ch. 14 - Compare and contrast work-energy bar charts, which...Ch. 14 - Consider Bernoulli's equation, Poiseuille's law,...Ch. 14 - You need a liquid that will exhibit turbulent flow...Ch. 14 - Watering plants You water flowers outside your...Ch. 14 - 2. Irrigation canal You live neat an irrigation...Ch. 14 - Prob. 3PCh. 14 - 4. The main waterline for a neighborhood delivers...Ch. 14 - Prob. 5PCh. 14 - Prob. 6PCh. 14 - Represent the process sketched in Figure P14.7...Ch. 14 - * Represent the process sketched in Figure P14.8...Ch. 14 - 9. Fluid flow Problem Write a symbolic equation...Ch. 14 - Prob. 10PCh. 14 - Prob. 11PCh. 14 - Prob. 12PCh. 14 - 13. An application of Bernoulli’s equation is...Ch. 14 - Prob. 14PCh. 14 - Prob. 15PCh. 14 - * Wine flow from barrel While visiting a winery,...Ch. 14 - Water flow in city water system Water is pumped at...Ch. 14 - * The pressure of water flowing through a...Ch. 14 - * Siphoning water You want to siphon rainwater and...Ch. 14 - Prob. 20PCh. 14 - * BIO Blood flow In artery Blood flows at an...Ch. 14 - Prob. 22PCh. 14 - Prob. 23PCh. 14 - 24. * BIO Flutter in blood vessel A person has a ...Ch. 14 - 25. * BIO Effect of smoking on arteriole radius...Ch. 14 - Prob. 26PCh. 14 - 27. * You have a U-shaped tube open at both ends....Ch. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - Prob. 31PCh. 14 - Prob. 32PCh. 14 - 33. * BIO Blood flow through capillaries Your...Ch. 14 - Prob. 34PCh. 14 - * A piston pushes 20C water through a horizontal...Ch. 14 - Prob. 36PCh. 14 - * A syringe is filled with water and fixed at the...Ch. 14 - Prob. 38PCh. 14 - 39. * EST Air drag when biking Estimate the drag...Ch. 14 - Prob. 41PCh. 14 - * EST Earth exerts a constant downward force of...Ch. 14 - Prob. 43PCh. 14 - *Terminal speed of balloon A balloon of mass m...Ch. 14 - You observe four different liquids (listed with...Ch. 14 - Prob. 48GPCh. 14 - 50. ** Viscous friction with Bernoulli We can...Ch. 14 - 51. ** (a) Show that the work W done per unit time...Ch. 14 - Prob. 52GPCh. 14 - 53. ** BIO Essential hypertension Suppose your...Ch. 14 - Prob. 54GPCh. 14 - A 0.20-m-radius balloon falls at terminal speed 40...Ch. 14 - 56. ** Terminal speed of skier A skier going down...Ch. 14 - kg/m3 is placed in a 20C lake Determine the...Ch. 14 - 58. ** EST Comet crash On June 30, 1908, a...Ch. 14 - EST Intravenous (IV) feeding A patient in the...Ch. 14 - EST Intravenous (IV) feeding A patient in the...Ch. 14 - EST Intravenous (IV) feeding A patient in the...Ch. 14 - EST Intravenous (IV) feeding A patient in the...Ch. 14 - EST Intravenous (IV) feeding A patient in the...Ch. 14 - EST Intravenous (IV) feeding A patient in the...Ch. 14 - EST Intravenous (IV) feeding A patient in the...Ch. 14 - Prob. 66RPPCh. 14 - Prob. 67RPPCh. 14 - Prob. 68RPPCh. 14 - Prob. 69RPPCh. 14 - Which number below best represents the ratio of...
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