7. The radar beam of a police car points at an angle of 30°away from the direction of a highway. The radar recordsthe component of the car's speed along the beam as V120 km/hCR(a) What is the speed Vc of the car along the highway?(b) Can the radar beam be directed perpendicular to thedirection of the highway? Why or why not?VCRPolice carRadar beam30°VcCar velocity

GivenFrom the concept of resolving the vectors into rectangular components, we have

7. The radar beam of a police car points at an angle of 30⁰ away from the direction of a highway. The radar records the component of the car's speed along the beam as V₁ = 120 km/h CR (a) What is the speed Vc of the car along the highway? (b) Can the radar beam be directed perpendicular to the direction of the highway? Why or why not? VCR

7. The radar beam of a police car points at an angle of 30⁰ away from the direction of a highway. The radar records the component of the car's speed along the beam as V₁ = 120 km/h CR (a) What is the speed Vc of the car along the highway? (b) Can the radar beam be directed perpendicular to the direction of the highway? Why or why not? VCR

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)...

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