Physics (5th Edition)
5th Edition
ISBN: 9780321976444
Author: James S. Walker
Publisher: PEARSON
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Chapter 2, Problem 13PCE
It was a dark and stormy night, when suddenly you saw a flash of lightning. Six and a half seconds later you heard the thunder. Given that the speed of sound in air is about 340 m/s, how far away was the lightning bolt? (Ignore the travel time for the flash of light.)
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A lightning bolt is observed and the resultant thunderclap is heard 5 seconds afterwards. Assuming the speed of sound in air is 340 m/s, how far away was the lightning bolt? Your answer should be in units of m but you should only submit the number for your answer.
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On a day when the speed of sound in air is 340 m/s, a lightning bolt is observed and the resultant thunderclap is heard 2 seconds afterwards. About how far away was the lightning bolt?
Chapter 2 Solutions
Physics (5th Edition)
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- bat flying at 4.65 m/s is chasing an insect flying in the same direction. The bat emits a 39.8-kHz chirp and receives back an echo at 40.3 kHz. (Take the speed of sound in air to be v = 343 m/s.) (a) What is the speed of the insect in m/s?arrow_forwardOn December 26, 2004, a great earthquake occurred off the coast of Sumatra and trig- gered immense waves (tsunami) that killed some 200, 000 people. Satellites observing these waves from space measured 800 km from one wave crest to the next and a period between waves of 1.0 hour. What was the speed of these waves in m/s and km/h? Does your answer help you understand why the waves caused such devastation?arrow_forwardIf you observe a 6.0 second delay between a flash of lightning and its thunder, about how far away are you, in kilometers, if the speed of sound is 343 meters/second on that day?arrow_forward
- During a thunderstorm, a 5.5 s difference between observing a lightening flash and hearing the resultant thunder. How far away in km and mi was the lightening flash? (The speed of sound is 344 m/s)arrow_forwardOn a day when the speed of sound is 344 m/s, Tom hollers and hears an echo 2.4 seconds later. How far away is the object that caused the echo?arrow_forwardDuring a thunderstorm, 4.6 s elapses between observing a lightning flash and hearing the resulting thunder. Approximately how far away in kilometers and miles was the lightning flash? (Assume the speed of sound is 344 m/s.)arrow_forward
- A bat flying in a cave emits a sound and receives its echo 0.06 s later. Find the distance to the wall of the cave. (hint: the speed of sound, v = 343 m/s)arrow_forwardASK YOUR TEACHER (a) A soccer player kicks a rock horizontally off a 38 m high cliff into a pool of water. If the player hears the sound of the splash 2.93 s later, what was the initial speed given to the rock (in m/s)? Assume the speed of sound in air is 343 m/s. m/s MY NOTES (b) What If? If the temperature near the cliff suddenly falls to 0°C, reducing the speed of sound to 331 m/s, what would the initial speed of the rock have to be (in m/s) for the soccer player to hear the sound of the splash 2.93 s after kicking the rock? Need Help? m/s Read It PRACTICE ANOTHER Watch Itarrow_forwardA boy fires a gun and another boy at a distance of 1760 m hears the sound of firing the gun 5 s after seeing its smoke, Find the speed of sound?arrow_forward
- The velocity of sound in air at sea level is above 1100 feet per second. If a man hears a clap of thunder 3 seconds after a lightning flash, how far away was the lightning?arrow_forwardTrying to determine its depth, a rock climber drops a pebble into a chasm and hears the pebble strike the ground 3.24s later. (a) If the speed of sound in air is 343 m/s at the rock climber's location, what is the depth of the chasm? 51.35 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate res accuracy to minimize roundoff error, m (b) What is the percentage of error that would result from assuming the speed of sound is infinite? 0.175 from the henint arh sten carefullyarrow_forwardA stone is dropped from the top of a cliff. The splash it makes when striking the water below is heard 2.7 s later. Considering the speed of sound in air at 20 °C to be 343 m s-¹ and considering the gravitational acceleration to be 9.80 m.s-², How high is the cliff?arrow_forward
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