Here are certain positions of a particle which can
move in a horizontal plane. Two of them denote
identical positions. Identify these positions.
(a) 5 m, 30° north of east
(b) 5 m, 30° east of north
(c) 5 m, 60° south of west
(d) 5 m, 60° east of north
Answers
Answered by
1
Answer:
Saying 30 degrees NofE is the same thing as 60 degrees EofN - Since there are 90 degrees in between North and East, and
30
+
60
=
90
, these angles must be coterminal (they have the same endpoints), and since the length is the same (
5
m
), they must refer to the same position.
Answered by
0
Answer:
A and D both.
Explanation:
Saying 30 degrees NofE is the same thing as 60 degrees EofN - Since there are 90 degrees in between North and East, and
30
+
60
=
90
, these angles must be coterminal (they have the same endpoints), and since the length is the same (
5
m
), they must refer to the same position.
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