In a lake, two boats A and B are leaving Station1 at the same time, Boat A is directed straight to Station 2 at a constant velocity of 7m/s, while Boat B is travelling in the North- West direction (N45°W). It takes Bost A one and half minute (90 seconds) to reach Station 2. Station 2 is located to the west 315m south of Station 1. a. What is the velocity of Boat B if it appears to a person inside it that Boat A is moving at rate of 8m/s? b. At the instant when Boat A reaches Station 2, what is the relative position (magnitude and direction) of Boat B with respect to A? Boat B Stetion 1 315 m Boat/A 7 m/s Station 2

In a lake, two boats A and B are leaving Station1 at the same time, Boat A is directed straight to Station 2 at a constant velocity of 7m/s, while Boat B is travelling in the North- West direction (N45°W). It takes Bost A one and half minute (90 seconds) to reach Station 2. Station 2 is located to the west 315m south of Station 1. a. What is the velocity of Boat B if it appears to a person inside it that Boat A is moving at rate of 8m/s? b. At the instant when Boat A reaches Station 2, what is the relative position (magnitude and direction) of Boat B with respect to A? Boat B Stetion 1 315 m Boat/A 7 m/s Station 2

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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Question

6. Round off to FOUR DECIMAL PLACES for all calculations made.

F- ODD:
In a lake, two boats A and B are leaving Station1 at the same time, Boat A is directed
straight to Station 2 at a constant velocity of 7m/s, while Boat B is travelling in the North-
West direction (N45°W). It takes Bost A one and half minute (90 seconds) to reach
Station 2. Station 2 is located to the west 315m south of Station 1.
a. What is the velocity of Boat B if it appears to a person inside it that Boat A is
moving at rate of 8m/s?
b. At the instant when Boat A reaches Station 2, what is the relative position
(magnitude and direction) of Boat B with respect to A?
45
Boat B-
Stetlon 1
315 m
Boat/A
7 m/s
Station 2

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