Answered: Determine the direction angle of the…

Determine the direction angle of the relative velocity with respect to B at this instant, measured counterclockwise from the positive x axis. Express your answer using three significant figures.

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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Concept explainers

Central Force

Central force is the force that acts along the center of mass of one body to the center of mass of another body. Its direction from or away from a point on a body to another is called the center of the force. Such forces include gravitational force between two massive objects or electrostatic forces between two charged particles. So from atoms to planets, the central forces play an important role in shaping our daily lives. One of the remarkable features of central forces is that they are conservative, i.e. the total energy of a central force system can always be expressed as a gradient of a potential energy function.

Question

At the instant shown in (Figure 1), the car at A is traveling at 10 m/s around the curve while
increasing its speed at 4.6 m/s². The car at B is traveling at 18.5 m/s along the straightaway
and increasing its speed at 2 m/s².
Figure
B
y
VB
100 m
-X
100 m
45°
VA 10 m/s
=
1 of 1

Part B
Determine the direction angle of the relative velocity with respect to B at this instant, measured
counterclockwise from the positive x axis.
Express your answer using three significant figures.
AΣo vec
xX² Xb
0= 38.2
√√√√x 1X1 T20 (X)* X.10n
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