265. An automobile is traveling at 30 fps towards north is approaching an intersection. When the automobile is 120ft from the intersection, a truck traveling at 40fps towards east is 60ft from the same intersection. The automobile and the truck are on the roads that are at right angles to each other. How fast are they separating after 6 sec? a. 47.83 fps b. 87.34 fps c. 23.74 fps d. 56.47 fps

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ISBN:9780470458365
Author:Erwin Kreyszig
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265. An automobile is traveling at 30 fps towards north is approaching an intersection.
When the automobile is 120ft from the intersection, a truck traveling at 40fps towards
east is 60ft from the same intersection. The automobile and the truck are on the roads that
are at right angles to each other. How fast are they separating after 6 sec?
a. 47.83 fps
b. 87.34 fps
c. 23.74 fps
d. 56.47 fps
Transcribed Image Text:265. An automobile is traveling at 30 fps towards north is approaching an intersection. When the automobile is 120ft from the intersection, a truck traveling at 40fps towards east is 60ft from the same intersection. The automobile and the truck are on the roads that are at right angles to each other. How fast are they separating after 6 sec? a. 47.83 fps b. 87.34 fps c. 23.74 fps d. 56.47 fps
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