Pearson eText Conceptual Physical Science -- Instant Access (Pearson+)
6th Edition
ISBN: 9780134857107
Author: Paul Hewitt, John Suchocki
Publisher: PEARSON+
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Textbook Question
Chapter 11, Problem 43TAS
When you walk toward a mirror, you see your image approaching you. If you walk at 2 m/s, how fast do you and your image approach each other?
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need help with the first part
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
An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. The ball bounces once before reaching the catcher. Assume the angle at which the bounced ball leaves the ground is the same as the angle at which the outfielder threw it as shown in the figure, but that the ball's speed after the bounce is one-half of what it was before the bounce.
8
(a) Assuming the ball is always thrown with the same initial speed, at what angle & should the fielder throw the ball to make it go the same distance D with one bounce (blue path) as a ball thrown upward at 35.0° with no bounce (green path)?
24
(b) Determine the ratio of the time interval for the one-bounce throw to the flight time for the no-bounce throw.
Cone-bounce
no-bounce
0.940
Chapter 11 Solutions
Pearson eText Conceptual Physical Science -- Instant Access (Pearson+)
Ch. 11 - What is the principal difference between a radio...Ch. 11 - How does the frequency of an electromagnetic wave...Ch. 11 - In what region of the electromagnetic spectrum is...Ch. 11 - Prob. 4RCQCh. 11 - What is the fate of the energy in infrared light...Ch. 11 - How does the average speed of light in glass...Ch. 11 - Prob. 7RCQCh. 11 - Prob. 8RCQCh. 11 - Relative to the distance of an object in front of...Ch. 11 - Prob. 10RCQ
Ch. 11 - Prob. 11RCQCh. 11 - What is the angle between a light ray and its wave...Ch. 11 - What is the relationship between refraction and...Ch. 11 - Prob. 14RCQCh. 11 - Prob. 15RCQCh. 11 - Which has the higher frequency: red light or blue...Ch. 11 - What is the color of the peak frequency of solar...Ch. 11 - Prob. 18RCQCh. 11 - Prob. 19RCQCh. 11 - Prob. 20RCQCh. 11 - Why does the Sun look reddish at sunrise and...Ch. 11 - Prob. 22RCQCh. 11 - Prob. 23RCQCh. 11 - Which travels more slowly in glass: red light or...Ch. 11 - Prob. 25RCQCh. 11 - Prob. 26RCQCh. 11 - Is polarization a property of transverse waves,...Ch. 11 - How does the direction of polarization of light...Ch. 11 - Prob. 29RCQCh. 11 - How much unpolarized light does an ideal Polaroid...Ch. 11 - Electrons on a radio broadcasting tower are forced...Ch. 11 - Consider a pulse of laser light that is aimed at...Ch. 11 - The nearest star beyond the Sun is Alpha Centauri,...Ch. 11 - Blue-green light has a frequency of about 6 x 1014...Ch. 11 - A spider hangs by a strand of silk at eye level 30...Ch. 11 - When you walk toward a mirror, you see your image...Ch. 11 - When light strikes glass perpendicularly, about 4%...Ch. 11 - She looks at her face in the hand-held mirror....Ch. 11 - Wheels of a toy cart are rolled from a concrete...Ch. 11 - Prob. 47TARCh. 11 - Prob. 48TARCh. 11 - What is the fundamental source of electromagnetic...Ch. 11 - What is it, exactly, that waves in a light waver?Ch. 11 - Which have the longest wavelength: light waves,...Ch. 11 - Are the wavelengths of radio and television...Ch. 11 - Prob. 53ECh. 11 - Prob. 54ECh. 11 - What do radio waves and light have in common? What...Ch. 11 - Prob. 56ECh. 11 - Is glass transparent or opaque to light of...Ch. 11 - Short wavelengths of visible light interact more...Ch. 11 - What determines whether a material is transparent...Ch. 11 - The persons eye at point P looks into the mirror....Ch. 11 - Trucks often have signs on the back that say, If...Ch. 11 - What must be the minimum length of a vertical...Ch. 11 - What effect does your distance from the plane...Ch. 11 - From a steamy mirror, wipe away just enough...Ch. 11 - Prob. 65ECh. 11 - A friend says that a change in speed is necessary...Ch. 11 - Prob. 67ECh. 11 - Prob. 68ECh. 11 - Prob. 69ECh. 11 - A pair of toy cart wheels are rolled obliquely...Ch. 11 - Prob. 71ECh. 11 - Prob. 72ECh. 11 - How could you use the spotlights at a play to...Ch. 11 - What single color of light illuminating a ripe...Ch. 11 - Prob. 75ECh. 11 - Three lamps illuminate Patty OPlasma at the...Ch. 11 - What colors of ink do color ink-jet printers use...Ch. 11 - Very big particles, such as droplets of water,...Ch. 11 - Prob. 79ECh. 11 - Prob. 80ECh. 11 - Why does the Moon appear yellowish when it is low...Ch. 11 - Prob. 82ECh. 11 - Prob. 83ECh. 11 - When you stand with your back to the Sun, you see...Ch. 11 - A friend says that the secondary bow of a rainbow,...Ch. 11 - What percentage of light is transmitted by two...Ch. 11 - How can a single Polaroid filter be used to show...Ch. 11 - Light will not pass through a pair of Polaroid...Ch. 11 - In a physics study group, a friend declares in an...Ch. 11 - Prob. 90DQCh. 11 - Prob. 91DQCh. 11 - Light from a camera flash weakens with distance in...Ch. 11 - Prob. 93DQCh. 11 - Hold a pocket mirror almost at arms length from...Ch. 11 - Peter Hopkinson stands astride a large mirror and...Ch. 11 - Prob. 96DQCh. 11 - Red and green light of the same brightness combine...Ch. 11 - Below is a photo of science author Suzanne Lyons...Ch. 11 - Prob. 99DQCh. 11 - Prob. 100DQCh. 11 - When Stephanie Hewitt dips a glass rod into...Ch. 11 - Prob. 102DQCh. 11 - If you point the pinhole camera or the previous...Ch. 11 - Sunlight passing through a pinhole in a piece of...Ch. 11 - Choose the BEST answer to the question or the BEST...Ch. 11 - The source of electromagnetic waves is vibrating...Ch. 11 - Prob. 3RATCh. 11 - Whether a particular surface acts as a polished...Ch. 11 - Prob. 5RATCh. 11 - Refracted light that bends away from the normal is...Ch. 11 - The colors on the cover of your physics text are...Ch. 11 - The redness of a sunrise or sunset is due mostly...Ch. 11 - Prob. 9RATCh. 11 - Polarization occurs for waves that are (a)...
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