Car A is traveling at the constant speed of 48 km/h as it rounds the circular curve of 295-m radius and at the instant represented is at the position θ = 49°. Car B is traveling at the constant speed of 64 km/h and passes the center of the circle at this same instant. Car A is located with respect to car B by polar coordinates r and θ with the pole moving with B. For this instant determine vA/B and the values of r˙ and θ˙ as measured by an observer in car B.
Car A is traveling at the constant speed of 48 km/h as it rounds the circular curve of 295-m radius and at the instant represented is at the position θ = 49°. Car B is traveling at the constant speed of 64 km/h and passes the center of the circle at this same instant. Car A is located with respect to car B by polar coordinates r and θ with the pole moving with B. For this instant determine vA/B and the values of r˙ and θ˙ as measured by an observer in car B.
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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Car A is traveling at the constant speed of 48 km/h as it rounds the circular curve of 295-m radius and at the instant represented is at the position θ = 49°. Car B is traveling at the constant speed of 64 km/h and passes the center of the circle at this same instant. Car A is located with respect to car B by polar coordinates r and θ with the pole moving with B. For this instant determine vA/B and the values of r˙ and θ˙ as measured by an observer in car B.
Find vA/B and vA/B.
| vA/B = | ( ______i + ____j) m/s |
| vA/B = | ______ m/s |
Transcribed Image Text:Find VA/B and VA/B-
OND
295 m
y
Answers:
VA/B = ( i
i+
i
j) m/s
VA/B =
i
m/s
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