In Figure 4-18, Alex and Barbara watch carP. Then the position of car P with respect toBarbara isа. ХPВ %3D ХРА + хВАb. ХPB 3D ХРА - хВАxPB = xPAХРАd. xPB = xBA%3D Frame B moves pastframe A while bothobserve P.tant spudFrame BFrame AperticalPV BAXPBBAХВАXPA = XPB + XBAFigure 4-18 Alex (frame A) and Barbara(frame B) watch car P, as both B and Pmove at different velocities along the com-mon x axis of the two frames. At theinstant shown, xBA is the coordinate of Bin the A frame. Also, P is at coordinate xPRin the B frame and coordinate x PA = XPR +XBA in the A frame.

Answered: In Figure 4-18, Alex and Barbara watch…

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In Figure 4-18, Alex and Barbara watch car P. Then the position of car P with respect to Barbara is

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 49P: In Figure P1.49, find (a) the side opposite , (b) the side adjacent to . (c) cos , (d) sin , and (c)...

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Concept explainers

Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.

Question

In Figure 4-18, Alex and Barbara watch car
P. Then the position of car P with respect to
Barbara is
а. ХPВ %3D ХРА + хВА
b. ХPB 3D ХРА - хВА
xPB = xPA
ХРА
d. xPB = xBA
%3D

Frame B moves past
frame A while both
observe P.
tant spud
Frame B
Frame A
pertical
P
V BA
XPB
BA
ХВА
XPA = XPB + XBA
Figure 4-18 Alex (frame A) and Barbara
(frame B) watch car P, as both B and P
move at different velocities along the com-
mon x axis of the two frames. At the
instant shown, xBA is the coordinate of B
in the A frame. Also, P is at coordinate xPR
in the B frame and coordinate x PA = XPR +
XBA in the A frame.

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