Physical Science
11th Edition
ISBN: 9780077862626
Author: Bill Tillery, Stephanie J. Slater, Timothy F. Slater
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7, Problem 3PEB
How many minutes are required for a radio signal to travel from Earth to a space station on Mars if the planet Mars is 7.83
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Chapter 7 Solutions
Physical Science
Ch. 7 - 1. Which of the following is luminous?
a. Moon
b....Ch. 7 - Prob. 2ACCh. 7 - Prob. 3ACCh. 7 - Prob. 4ACCh. 7 - 5. Light interacts with matter by which...Ch. 7 - Prob. 6ACCh. 7 - 7. Light is said to travel in straight-line paths,...Ch. 7 - 8. The image you see in a mirror is
a. a real...Ch. 7 - Prob. 9ACCh. 7 - Prob. 10AC
Ch. 7 - Prob. 11ACCh. 7 - 12. The component colors of sunlight were first...Ch. 7 - 13. The color order of longer-wavelength to...Ch. 7 - Prob. 14ACCh. 7 - 15. Polarization of light is best explained by...Ch. 7 - 16. Light in one plane is transmitted and light in...Ch. 7 - Prob. 17ACCh. 7 - Prob. 18ACCh. 7 - Prob. 19ACCh. 7 - Prob. 20ACCh. 7 - 21. Fiber optics transmits information using
a....Ch. 7 - 22. A luminous object
a. reflects a dim blue-green...Ch. 7 - Prob. 23ACCh. 7 - 24. The difference in the light emitted from a...Ch. 7 - Prob. 25ACCh. 7 - 26. An image that is not produced by light rays...Ch. 7 - Prob. 27ACCh. 7 - Prob. 28ACCh. 7 - 29. Which of the following can only be explained...Ch. 7 - 30. The polarization behavior of light is best...Ch. 7 - Prob. 31ACCh. 7 - Prob. 32ACCh. 7 - Prob. 33ACCh. 7 - Prob. 34ACCh. 7 - 35. The electromagnetic wave model defines an...Ch. 7 - 36. Of the following, the electromagnetic wave...Ch. 7 - 37. Of the following, the electromagnetic wave...Ch. 7 - Prob. 38ACCh. 7 - 39. Green grass absorbs
a. yellow light.
b. only...Ch. 7 - Prob. 40ACCh. 7 - Prob. 41ACCh. 7 - Prob. 42ACCh. 7 - Prob. 43ACCh. 7 - Prob. 44ACCh. 7 - 45. Polaroid sunglasses work best in eliminating...Ch. 7 - 46. The condition of farsightedness, or hyperopia,...Ch. 7 - Prob. 47ACCh. 7 - Prob. 48ACCh. 7 - 49. The special theory of relativity is
a. a new...Ch. 7 - Prob. 50ACCh. 7 - 51. Comparing measurements made on the ground to...Ch. 7 - 1. What determines if an electromagnetic wave...Ch. 7 - 2. What model of light does the polarization of...Ch. 7 - Prob. 3QFTCh. 7 - 4. What model of light is supported by the...Ch. 7 - Prob. 5QFTCh. 7 - Prob. 6QFTCh. 7 - 7. When does total internal reflection occur? Why...Ch. 7 - 8. Why does a highway sometimes appear wet on a...Ch. 7 - 9. How can you tell if a pair of sunglasses is...Ch. 7 - 10. What conditions are necessary for two light...Ch. 7 - 11. Explain why the intensity of reflected light...Ch. 7 - Prob. 12QFTCh. 7 - Prob. 13QFTCh. 7 - Prob. 14QFTCh. 7 - 1. Clarify the distinction between light...Ch. 7 - 2. Describe how you would use questions alone to...Ch. 7 - 3. Use a dialogue as you “think aloud."...Ch. 7 - 4. Compare and contrast the path of light through...Ch. 7 - 5. Analyze how the equation E = hf could mean that...Ch. 7 - 6. How are visible light and a radio wave...Ch. 7 - Prob. 1PEBCh. 7 - Prob. 2PEBCh. 7 - 3. How many minutes are required for a radio...Ch. 7 - 4. An incident light ray strikes a mirror with an...Ch. 7 - 5. The speed of light through a transparent...Ch. 7 - Prob. 6PEBCh. 7 - Prob. 7PEBCh. 7 - 8. The wavelength of light from a monochromatic...Ch. 7 - Prob. 9PEBCh. 7 - 10. At what rate must electrons in a wire vibrate...Ch. 7 - Prob. 11PEBCh. 7 - Prob. 12PEBCh. 7 - Prob. 13PEBCh. 7 - Prob. 14PEBCh. 7 - Prob. 15PEB
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- A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 7.86 107 km. Radio waves travel at the speed of light (3.00 108 m/s). How many seconds does it take the signal to reach the Earth?arrow_forwardConversations with astronauts on lunar walks had an echo that was used to estimate the distance to the Moon. The sound spoken by the person on Earth was transformed into a radio signal sent to the Moon, and transformed hack into sound on a speaker inside the astronaut’s space suit. This sound was picked up by the microphone in the space suit (intended tor the astronaut’s voice] and sent back to Earth as a radio echo of sorts. If the round-trip time was 2.60 s, what was the approximate distance to the Moon, neglecting any delays in the electronics?arrow_forwardA radio station broadcasts its radio waves with a power of 50,000 W. What would be the intensity of this signal if it is received on a planet orbiting Proxima Centuri, the closest star to our Sun, at 4.243 ly away?arrow_forward
- A communications satellite is in a circular orbit about the Earth at an altitude of 3.56 104 km. How many seconds does it take a signal from the satellite to reach a television receiving station? (Radio signals travel at the speed of light, 3.00 108 m/s.)arrow_forwardHow does the wavelength of radio waves for an AM radio station broadcasting at 1030 KHz compare with the wavelength of the lowest audible sound waves (of 20 Hz). The speed of sound in air at 20 °C is about 343 m/s.arrow_forwardhow many minutes are required for a radio signal to travel from earth to a space station on mars if mars is 7.83x10 to seventh power km from earth?arrow_forward
- If the distance from an antenna on Earth to a geosynchronous communications satellite is 26000 miles, given that there are 1.61 kilometers per mile, and radio waves travel at the speed of light (3.0 x 108 meters/sec), how many milliseconds does it take for a signal from the antenna to reach the satellite?arrow_forwardA space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 7.88×10^7km. Radio waves travel at the speed of light (3.00×10^8m/s). How many seconds does it take for the signal to reach the Earth?arrow_forwardA person on earth communicating via radio transmission with an astronaut on the moon asks a question. At the time of transmission the moon is 4.00 x 10^5 km from the earth, and the speed of radio waves is 3.00 x 10^8 m/s. How long must the person on earth wait for a response if the astronaut answers 2.50 seconds after the message is received?arrow_forward
- A group of hikers uses a GPS while doing a 40-mile trek in Colorado. A curve fit to the data shows that their altitude can be approximated by the function y(t)=0.12t5−6.75t4+135t3−1120t2+3200t+9060 where y and t are expressed in feet and hours, respectively. During the 18-hour hike, determine the maximum altitude that the hikers reach.arrow_forwardThe speed of light is c = 3.0 x 10^8 m/s. If the distance between the Earth and the moon is d = 2.39 x 10^5 mi (1.0 mi = 1.61 km). You send a laser from the Earth to the moon and back. How long does this take?arrow_forwardLight in a vacuum travels at a constant speed of 3x108 m/s. If the Moon's average distance from the Earth is 38558,669 km, how long would it take for a beam of light to travel from the Earth, to the Moon, and back to the Earth again?arrow_forward
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