Physics for Scientists and Engineers
9th Edition
ISBN: 9781133947271
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 38, Problem 38.22P
Narrow, parallel, glowing gas-filled tubes in a variety of colors form block letters to spell out the name of a nightclub. Adjacent tubes are all 2.80 cm apart. The tubes forming one letter are filled with neon and
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A 0.500 kg sphere moving with a velocity given by (2.00î – 2.60ĵ + 1.00k) m/s strikes another sphere of mass 1.50 kg moving with an initial velocity of (−1.00î + 2.00ĵ – 3.20k) m/s.
(a) The velocity of the 0.500 kg sphere after the collision is (-0.90î + 3.00ĵ − 8.00k) m/s. Find the final velocity of the 1.50 kg sphere.
R =
m/s
Identify the kind of collision (elastic, inelastic, or perfectly inelastic).
○ elastic
O inelastic
O perfectly inelastic
(b) Now assume the velocity of the 0.500 kg sphere after the collision is (-0.250 + 0.850ĵ - 2.15k) m/s. Find the final velocity of the 1.50 kg sphere.
✓ =
m/s
Identify the kind of collision.
O elastic
O inelastic
O perfectly inelastic
(c) Take the velocity of the 0.500 kg sphere after the collision as (−1.00ỉ + 3.40] + ak) m/s. Find the value of a and the velocity of the 1.50 kg sphere after an elastic collision. (Two values of a are possible, a positive value and a negative value. Report each with their
corresponding final velocities.)
a…
A cannon is rigidly attached to a carriage, which can move along horizontal rails, but is connected to a post by a large spring, initially unstretched and with force constant k = 1.31 x 104 N/m, as in the figure below. The cannon fires a 200-kg projectile at a velocity of 136 m/s directed 45.0°
above the horizontal.
45.0°
(a) If the mass of the cannon and its carriage is 5000 kg, find the recoil speed of the cannon.
m/s
(b) Determine the maximum extension of the spring.
m
(c) Find the maximum force the spring exerts on the carriage. (Enter the magnitude of the force.)
N
launch angle.
Passage Problems
Alice (A), Bob (B), and Carrie (C) all start from their dorm and head
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Chapter 38 Solutions
Physics for Scientists and Engineers
Ch. 38 - Suppose the slit width in Figure 37.4 is made half...Ch. 38 - Consider the central peak in the diffraction...Ch. 38 - Cats eyes have pupils that can be modeled as...Ch. 38 - Suppose you are observing a binary star with a...Ch. 38 - Ultraviolet light of wavelength 350 nm is incident...Ch. 38 - A polarizer for microwaves can be made as a grid...Ch. 38 - You are walking down a long hallway that has many...Ch. 38 - Certain sunglasses use a polarizing material to...Ch. 38 - What is most likely to happen to a beam of light...Ch. 38 - In Figure 38.4, assume the slit is in a barrier...
Ch. 38 - A Fraunhofer diffraction pattern is produced on a...Ch. 38 - Consider a wave passing through a single slit....Ch. 38 - Assume Figure 38.1 was photographed with red light...Ch. 38 - If plane polarized light is sent through two...Ch. 38 - Why is it advantageous to use a large-diameter...Ch. 38 - What combination of optical phenomena causes the...Ch. 38 - Prob. 38.10OQCh. 38 - When unpolarized light passes through a...Ch. 38 - Off in the distance, you see the headlights of a...Ch. 38 - Prob. 38.1CQCh. 38 - Holding your hand at arms length, you can readily...Ch. 38 - Prob. 38.3CQCh. 38 - (a) Is light from the sky polarized? (b) Why is it...Ch. 38 - Prob. 38.5CQCh. 38 - If a coin is glued to a glass sheet and this...Ch. 38 - Fingerprints left on a piece of glass such as a...Ch. 38 - A laser produces a beam a few millimeters wide,...Ch. 38 - Prob. 38.9CQCh. 38 - John William Strutt, Lord Rayleigh (1842-1919),...Ch. 38 - Prob. 38.11CQCh. 38 - Prob. 38.12CQCh. 38 - Light of wavelength 587.5 nm illuminates a slit of...Ch. 38 - Heliumneon laser light ( = 632.8 nm) is sent...Ch. 38 - Sound with a frequency 650 Hz from a distant...Ch. 38 - A horizontal laser beam of wavelength 632.8 nm has...Ch. 38 - Coherent microwaves of wavelength 5.00 cm enter a...Ch. 38 - Light of wavelength 540 nm passes through a slit...Ch. 38 - A screen is placed 50.0 cm from a single slit,...Ch. 38 - A screen is placed a distance L from a single slit...Ch. 38 - Assume light of wavelength 650 nm passes through...Ch. 38 - What If? Suppose light strikes a single slit of...Ch. 38 - A diffraction pattern is formed on a screen 120 cm...Ch. 38 - Coherent light of wavelength 501.5 nm is sent...Ch. 38 - Prob. 38.13PCh. 38 - The pupil of a cats eye narrows to a vertical slit...Ch. 38 - The angular resolution of a radio telescope is to...Ch. 38 - A pinhole camera has a small circular aperture of...Ch. 38 - The objective lens of a certain refracting...Ch. 38 - Yellow light of wavelength 589 nm is used to view...Ch. 38 - What is the approximate size of the smallest...Ch. 38 - A heliumneon laser emits light that has a...Ch. 38 - To increase the resolving power of a microscope,...Ch. 38 - Narrow, parallel, glowing gas-filled tubes in a...Ch. 38 - Impressionist painter Georges Seurat created...Ch. 38 - A circular radar antenna on a Coast Guard ship has...Ch. 38 - Prob. 38.25PCh. 38 - Prob. 38.26PCh. 38 - Consider an array of parallel wires with uniform...Ch. 38 - Three discrete spectral lines occur at angles of...Ch. 38 - The laser in a compact disc player must precisely...Ch. 38 - A grating with 250 grooves/mm is used with an...Ch. 38 - A diffraction grating has 4 200 rulings/cm. On a...Ch. 38 - The hydrogen spectrum includes a red line at 656...Ch. 38 - Light from an argon laser strikes a diffraction...Ch. 38 - Show that whenever white light is passed through a...Ch. 38 - Light of wavelength 500 nm is incident normally on...Ch. 38 - A wide beam of laser light with a wavelength of...Ch. 38 - Prob. 38.37PCh. 38 - Prob. 38.38PCh. 38 - Potassium iodide (Kl) has the same crystalline...Ch. 38 - Prob. 38.40PCh. 38 - Prob. 38.41PCh. 38 - Why is the following situation impossible? A...Ch. 38 - Prob. 38.43PCh. 38 - The angle of incidence of a light beam onto a...Ch. 38 - Unpolarized light passes through two ideal...Ch. 38 - Prob. 38.46PCh. 38 - You use a sequence of ideal polarizing niters,...Ch. 38 - An unpolarized beam of light is incident on a...Ch. 38 - The critical angle for total internal reflection...Ch. 38 - For a particular transparent medium surrounded by...Ch. 38 - Three polarizing plates whose planes are parallel...Ch. 38 - Two polarizing sheets are placed together with...Ch. 38 - In a single-slit diffraction pattern, assuming...Ch. 38 - Laser light with a wavelength of 632.8 nm is...Ch. 38 - Prob. 38.55APCh. 38 - Prob. 38.56APCh. 38 - Prob. 38.57APCh. 38 - Two motorcycles separated laterally by 2.30 m are...Ch. 38 - The Very Large Array (VLA) is a set of 27 radio...Ch. 38 - Two wavelengths and + (with ) are incident on...Ch. 38 - Review. A beam of 541-nm light is incident on a...Ch. 38 - Prob. 38.62APCh. 38 - Prob. 38.63APCh. 38 - Prob. 38.64APCh. 38 - Prob. 38.65APCh. 38 - Prob. 38.66APCh. 38 - Prob. 38.67APCh. 38 - A pinhole camera has a small circular aperture of...Ch. 38 - Prob. 38.69APCh. 38 - (a) Light traveling in a medium of index of...Ch. 38 - The intensity of light in a diffraction pattern of...Ch. 38 - Prob. 38.72APCh. 38 - Two closely spaced wavelengths of light are...Ch. 38 - Light of wavelength 632.8 nm illuminates a single...Ch. 38 - Prob. 38.75CPCh. 38 - A spy satellite can consist of a large-diameter...Ch. 38 - Suppose the single slit in Figure 38.4 is 6.00 cm...Ch. 38 - In Figure P37.52, suppose the transmission axes of...Ch. 38 - Consider a light wave passing through a slit and...
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