8) Dave is driving his Civic (car A) at 45mi/h (in a 30 zone) up to an intersection and notes that he passes through the intersection 3 seconds after a classic Ford Mustang (car B) passed through the intersection doing the speed limit as shown. Assuming that there is no acceleration of either car, determine (a) the relative velocity of car B with respect to car A, (b) the change in position of B with respect to A during a 4-s interval, (c) the distance between the two automobiles 2s after A has passed through the intersection. 70° + B 30 mi/h 45 mi/h NATS

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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8) Dave is driving his Civic (car A) at 45mi/h (in a 30 zone) up to an intersection and
notes that he passes through the intersection 3 seconds after a classic Ford
Mustang (car B) passed through the intersection doing the speed limit as shown.
Assuming that there is no acceleration of either car, determine (a) the relative
velocity of car B with respect to car A, (b) the change in position of B with respect to
A during a 4-s interval, (c) the distance between the two automobiles 2s after A has
passed through the intersection.
N
S
45 mi/h
B
70°
30 mi/h
Transcribed Image Text:8) Dave is driving his Civic (car A) at 45mi/h (in a 30 zone) up to an intersection and notes that he passes through the intersection 3 seconds after a classic Ford Mustang (car B) passed through the intersection doing the speed limit as shown. Assuming that there is no acceleration of either car, determine (a) the relative velocity of car B with respect to car A, (b) the change in position of B with respect to A during a 4-s interval, (c) the distance between the two automobiles 2s after A has passed through the intersection. N S 45 mi/h B 70° 30 mi/h
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