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A motion sensor can accurately measure the distance dto an

Physics for Scientists & Engineers with Modern Physics | 4th Edition | ISBN: 9780131495081 | Authors: Douglas C. Giancoli ISBN: 9780131495081 132

Solution for problem 16.5 Chapter 16

Physics for Scientists & Engineers with Modern Physics | 4th Edition

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Physics for Scientists & Engineers with Modern Physics | 4th Edition | ISBN: 9780131495081 | Authors: Douglas C. Giancoli

Physics for Scientists & Engineers with Modern Physics | 4th Edition

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Problem 16.5

A motion sensor can accurately measure the distance dto an object repeatedly via the sonar technique used inExample 16-2. A short ultrasonic pulse is emitted andreflects from any objects it encounters, creating echo pulsesupon their arrival back at the sensor. The sensor measuresthe time interval t between the emission of the original pulseand the arrival of the first echo, (a) The smallest time interval tthat can be measured with high precision is 1.0 ms. What is thesmallest distance (at 20C) that can be measured with themotion sensor? (b) If the motion sensor makes 15 distancemeasurements every second (that is, it emits 15 sound pulsesper second at evenly spaced time intervals), the measurementof t must be completed within the time interval between theemissions of successive pulses. What is the largest distance(at 20C) that can be measured with the motion sensor?(c) Assume that during a lab period the rooms temperatureincreases from 20C to 23C. What percent error will thisintroduce into the motion sensors distance measurements?

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• KeyPoints o UnitofforceandmagnitudeismeasuredinNewtons o Direction=+or- o ObjectofInterest:theobjectbeinganalyzed o Makesuretoaskyourself,“Isitfalling” o NetForce:thesumofforces o Equilibrium:netforce=0 o System:objectofinterestandobjectexertingforcesonit o Contactforce:theforcewheretwoobjectsmeet o Forcediagrams:representforcesexertedonobjectofinterest • ForceDiagrams 1. Useadotforobjectofinterest. F(HAND) 2. Labelobjectofinterest.(PoolBall) 3. Listforcesthatotherobjectsexert

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Chapter 16, Problem 16.5 is Solved
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Textbook: Physics for Scientists & Engineers with Modern Physics
Edition: 4
Author: Douglas C. Giancoli
ISBN: 9780131495081

Since the solution to 16.5 from 16 chapter was answered, more than 334 students have viewed the full step-by-step answer. Physics for Scientists & Engineers with Modern Physics was written by and is associated to the ISBN: 9780131495081. The answer to “A motion sensor can accurately measure the distance dto an object repeatedly via the sonar technique used inExample 16-2. A short ultrasonic pulse is emitted andreflects from any objects it encounters, creating echo pulsesupon their arrival back at the sensor. The sensor measuresthe time interval t between the emission of the original pulseand the arrival of the first echo, (a) The smallest time interval tthat can be measured with high precision is 1.0 ms. What is thesmallest distance (at 20C) that can be measured with themotion sensor? (b) If the motion sensor makes 15 distancemeasurements every second (that is, it emits 15 sound pulsesper second at evenly spaced time intervals), the measurementof t must be completed within the time interval between theemissions of successive pulses. What is the largest distance(at 20C) that can be measured with the motion sensor?(c) Assume that during a lab period the rooms temperatureincreases from 20C to 23C. What percent error will thisintroduce into the motion sensors distance measurements?” is broken down into a number of easy to follow steps, and 163 words. This textbook survival guide was created for the textbook: Physics for Scientists & Engineers with Modern Physics, edition: 4. This full solution covers the following key subjects: sensor, motion, distance, pulses, measured. This expansive textbook survival guide covers 44 chapters, and 3904 solutions. The full step-by-step solution to problem: 16.5 from chapter: 16 was answered by , our top Physics solution expert on 11/10/17, 05:57PM.

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