Answered: David is working on her farming…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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David is working on her farming business and faces the challenge of watering her plants daily,
which is a tedious and time-consuming task, especially under the scorching sun. The path she
follows for watering the plants is illustrated in figure 1.
David's son has taken on the task of designing a prototype to automate the watering process for
her. Figure 2 depicts the design, featuring a set of rods. The curved path represents David's
typical watering route, and the straight rod AB AB is confined to move along the path due to the pins
at its ends. Water sprinklers will be positioned at points A and B to efficiently water the plants.
At the instant shown in figure 2, point A has the motion shown while its at the edge of the path.
Determine the velocity and acceleration of point B at this instant.

Figure 1
3 ft
5 ft
Figure 2
A
VA = 6 ft/s
aA = 3 ft/s²

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