For the cars in the figure below car B is braking and, therefore, accelerating at (-40 km/h2)i relative to point O in the ground reference frame. If car A travels at a constant speed of 20 km/h, what is the acceleration of car B relative to car A reference frame at the time shown in the figure. A 100 m 20 km/h 65 km/h (-68.3 km/h?)i + (-28.3 km/h2)j (40 km/h?)i + (28.3 km/h?)j (28.3 km/h?)i + (28.3 km/h3)j (-40 km/h3ji - (28.3 km/h3]j O 0 o O
For the cars in the figure below car B is braking and, therefore, accelerating at (-40 km/h2)i relative to point O in the ground reference frame. If car A travels at a constant speed of 20 km/h, what is the acceleration of car B relative to car A reference frame at the time shown in the figure. A 100 m 20 km/h 65 km/h (-68.3 km/h?)i + (-28.3 km/h2)j (40 km/h?)i + (28.3 km/h?)j (28.3 km/h?)i + (28.3 km/h3)j (-40 km/h3ji - (28.3 km/h3]j O 0 o O
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section: Chapter Questions
Problem 84A
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![For the cars in the figure below car B is braking and, therefore, accelerating at (-40 km/h²)i relative to point O in the ground reference frame. If car A travels at a constant speed
of 20 km/h, what is the acceleration of car B relative to car A reference frame at the time shown in the figure.
45°
100 m
20 km/h
B
65 km/h
(-68.3 km/h?)i + (-28.3 km/h2)j
(40 km/h?)i + (28.3 km/h?]j
(28.3 km/h?)i + (28.3 km/h?)j
(-40 km/h3ji - (28.3 km/h?j](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F91ebeefb-4552-4ee2-a18c-1232c59f100f%2F14be33fc-b264-4af1-9793-9995a27e3eba%2F44ggx6p_processed.png&w=3840&q=75)
Transcribed Image Text:For the cars in the figure below car B is braking and, therefore, accelerating at (-40 km/h²)i relative to point O in the ground reference frame. If car A travels at a constant speed
of 20 km/h, what is the acceleration of car B relative to car A reference frame at the time shown in the figure.
45°
100 m
20 km/h
B
65 km/h
(-68.3 km/h?)i + (-28.3 km/h2)j
(40 km/h?)i + (28.3 km/h?]j
(28.3 km/h?)i + (28.3 km/h?)j
(-40 km/h3ji - (28.3 km/h?j
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