Homework Help is Here – Start Your Trial Now!
Science
Physics
A police officer bounces a 18.5 GHz laser beam, moving at 3.0 x 108 m/sec off your car. When the returning echo is mixed with the original radar, the radar gun registers a beat frequency of 5.375KHz. How fast does the officer say you are going (in km/h)? (4 steps)

A police officer bounces a 18.5 GHz laser beam, moving at 3.0 x 108 m/sec off your car. When the returning echo is mixed with the original radar, the radar gun registers a beat frequency of 5.375KHz. How fast does the officer say you are going (in km/h)? (4 steps)

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
See similar textbooks
icon
Related questions
Question
A police officer bounces a 18.5 GHz laser beam, moving at 3.0 x 108 m/sec off your car. When the returning echo is mixed with the original radar, the radar gun registers a beat frequency of 5.375KHz. How fast does the officer say you are going (in km/h)? (4 steps) FORMULA SHEET dB-10log 4 = 1x 10-¹2 A = 4tr² I=1,10/48/10) v=fa fits - (nry + Vera) finance f-16-fal Potentially useful information: 1 m/sec = 3.60 km/hr 1km/hr-0.278 m/sec 1nm=10ºm Medium Air (0°C) Air (20 °C) Air (100 °C) Water Copper 1,480 Muscle/Tissue 1,580 3,500 Glass Speed (m/sec) Aluminum 331 343 387 5,200 6,420
Transcribed Image Text:A police officer bounces a 18.5 GHz laser beam, moving at 3.0 x 108 m/sec off your car. When the returning echo is mixed with the original radar, the radar gun registers a beat frequency of 5.375KHz. How fast does the officer say you are going (in km/h)? (4 steps) FORMULA SHEET dB-10log 4 = 1x 10-¹2 A = 4tr² I=1,10/48/10) v=fa fits - (nry + Vera) finance f-16-fal Potentially useful information: 1 m/sec = 3.60 km/hr 1km/hr-0.278 m/sec 1nm=10ºm Medium Air (0°C) Air (20 °C) Air (100 °C) Water Copper 1,480 Muscle/Tissue 1,580 3,500 Glass Speed (m/sec) Aluminum 331 343 387 5,200 6,420
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON
SEE MORE TEXTBOOKS