EBK PHYSICS OF EVERYDAY PHENOMENA
8th Edition
ISBN: 8220106637050
Author: Griffith
Publisher: YUZU
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Chapter 9, Problem 15CQ
The plunger of a sealed hypodermic syringe containing air is slowly pulled out. Does the air pressure inside the syringe increase or decrease when this happens? Explain.
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A ball is thrown with an initial speed v, at an angle 6, with the horizontal. The horizontal range of the ball is R, and the ball reaches a maximum height R/4. In terms of R and g, find the following.
(a) the time interval during which the ball is in motion
2R
(b) the ball's speed at the peak of its path
v=
Rg 2
√ sin 26, V 3
(c) the initial vertical component of its velocity
Rg
sin ei
sin 20
(d) its initial speed
Rg
√ sin 20
×
(e) the angle 6, expressed in terms of arctan of a fraction.
1
(f) Suppose the ball is thrown at the same initial speed found in (d) but at the angle appropriate for reaching the greatest height that it can. Find this height.
hmax
R2
(g) Suppose the ball is thrown at the same initial speed but at the angle for greatest possible range. Find this maximum horizontal range.
Xmax
R√3
2
Chapter 9 Solutions
EBK PHYSICS OF EVERYDAY PHENOMENA
Ch. 9 - Is it possible for a 100-lb woman to exert a...Ch. 9 - If we measure force in pounds (lb) and distance in...Ch. 9 - The same force is applied to two cylinders that...Ch. 9 - A penny and a quarter are embedded in the concrete...Ch. 9 - Prob. 5CQCh. 9 - The fluid in a hydraulic system pushes against two...Ch. 9 - If the output piston in a hydraulic pump exerts a...Ch. 9 - When a mercury barometer is used to measure...Ch. 9 - Could we use water instead of mercury to make a...Ch. 9 - Prob. 10CQ
Ch. 9 - Could we use water instead of mercury to make a...Ch. 9 - If you climbed a mountain carrying a mercury...Ch. 9 - If you filled an airtight balloon at the top of a...Ch. 9 - When you go over a mountain pass in an automobile,...Ch. 9 - The plunger of a sealed hypodermic syringe...Ch. 9 - Helium is sealed inside a balloon impermeable to...Ch. 9 - Is it possible for a solid metal ball to float in...Ch. 9 - A rectangular metal block is suspended by a string...Ch. 9 - Is it possible for a boat made of concrete to...Ch. 9 - A block of wood is floating in a pool of water. a....Ch. 9 - A large bird lands on a rowboat that is floating...Ch. 9 - Is it possible that some objects might float in...Ch. 9 - A rowboat is floating in a swimming pool when the...Ch. 9 - If an object has a smaller density than water,...Ch. 9 - A steady stream of water flowing in a narrow pipe...Ch. 9 - Why does the stream of water flowing from a faucet...Ch. 9 - Does a stream of liquid with a high viscosity flow...Ch. 9 - If the speed of flow in a stream decreases, is the...Ch. 9 - Why is the flow of smoke from a cigarette often...Ch. 9 - If you blow between two limp pieces of paper held...Ch. 9 - A wind gust blows sideways across an...Ch. 9 - A hair dryer can be used to create a stream of...Ch. 9 - Prob. 33CQCh. 9 - Does the path of a curveball really curve? (See...Ch. 9 - Prob. 1ECh. 9 - Prob. 2ECh. 9 - Prob. 3ECh. 9 - Prob. 4ECh. 9 - Prob. 5ECh. 9 - Prob. 6ECh. 9 - Prob. 7ECh. 9 - Prob. 8ECh. 9 - Prob. 9ECh. 9 - Prob. 10ECh. 9 - Prob. 11ECh. 9 - Prob. 12ECh. 9 - Prob. 13ECh. 9 - Prob. 14ECh. 9 - Prob. 15ECh. 9 - Prob. 16ECh. 9 - Prob. 1SPCh. 9 - Prob. 2SPCh. 9 - Prob. 3SPCh. 9 - Prob. 4SPCh. 9 - Prob. 5SP
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