Physics, Volume 2
11th Edition
ISBN: 9781119460176
Author: CUTNELL, John D., Johnson, Kenneth W., YOUNG, David, Stadler, Shane
Publisher: WILEY
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Chapter 7, Problem 19P
(a)
To determine
To find: The velocity of the first log just before the lumberjack jumps off.
(b)
To determine
To find: The velocity of the second log when the lumberjack comes to rest on it.
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Three slits, each separated from its neighbor by d = 0.06 mm, are illuminated by a coherent light source of
wavelength 550 nm. The slits are extremely narrow. A screen is located L = 2.5 m from the slits. The
intensity on the centerline is 0.05 W. Consider a location on the screen x = 1.72 cm from the centerline.
a) Draw the phasors, according to the phasor model for the addition of harmonic waves, appropriate for this
location.
b) From the phasor diagram, calculate the intensity of light at this location.
A Jamin interferometer is a device for measuring or for comparing the indices of refraction of gases. A beam
of monochromatic light is split into two parts, each of which is directed along the axis of a separate cylindrical
tube before being recombined into a single beam that is viewed through a telescope. Suppose we are given the
following,
•
Length of each tube is L = 0.4 m.
• λ= 598 nm.
Both tubes are initially evacuated, and constructive interference is observed in the center of the field of view. As
air is slowly let into one of the tubes, the central field of view changes dark and back to bright a total of 198
times.
(a) What is the index of refraction for air?
(b) If the fringes can be counted to ±0.25 fringe, where one fringe is equivalent to one complete cycle of
intensity variation at the center of the field of view, to what accuracy can the index of refraction of air be
determined by this experiment?
Chapter 7 Solutions
Physics, Volume 2
Ch. 7.1 - 1. Two identical automobiles have the same speed,...Ch. 7.1 - 2. In Times Square in New York City, people...Ch. 7.1 - 3. Two objects have the same momentum. Do the...Ch. 7.1 - 4. (a) Can a single object have a kinetic energy...Ch. 7.1 - Prob. 5CYUCh. 7.1 - Prob. 6CYUCh. 7.2 - Prob. 7CYUCh. 7.2 - Prob. 8CYUCh. 7.2 - Prob. 9CYUCh. 7.2 - Prob. 10CYU
Ch. 7.2 - Prob. 11CYUCh. 7.2 - Prob. 12CYUCh. 7.2 - Prob. 13CYUCh. 7.2 - Prob. 14CYUCh. 7.3 - Prob. 15CYUCh. 7.3 - Prob. 16CYUCh. 7.3 - Prob. 17CYUCh. 7.5 - Prob. 18CYUCh. 7.5 - Prob. 19CYUCh. 7.5 - Prob. 20CYUCh. 7 - Prob. 1FCCh. 7 - 2. Six runners have the mass (in multiples of m0),...Ch. 7 - Prob. 6FCCh. 7 - Prob. 7FCCh. 7 - Prob. 10FCCh. 7 - Prob. 13FCCh. 7 - Prob. 15FCCh. 7 - Prob. 17FCCh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - 7. Refer to Conceptual Example 3 as an aid in...Ch. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - 13. An 85-kg jogger is heading due east at a speed...Ch. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - 24. A 0.015-kg bullet is fired straight up at a...Ch. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - 28. After sliding down a snow-covered hill on an...Ch. 7 - Prob. 29PCh. 7 - Prob. 30PCh. 7 - 31. Batman (mass = 91 kg) jumps straight down from...Ch. 7 - Prob. 32PCh. 7 - 33. A 5.00-kg ball, moving to the right at a...Ch. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - *39. A girl is skipping stones across a lake. One...Ch. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - *43. An electron collides elastically with a...Ch. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 48PCh. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Prob. 52PCh. 7 - Prob. 54APCh. 7 - Prob. 56APCh. 7 - Prob. 58APCh. 7 - Prob. 60APCh. 7 - *63. Two ice skaters have masses m1 and m2 and are...Ch. 7 - Prob. 64APCh. 7 - Prob. 66APCh. 7 - Prob. 67CCPCh. 7 - Prob. 68CCPCh. 7 - Prob. 69TPCh. 7 - Prob. 70TP
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