You are given two vec- |O A = -3.00î + 6.00ĵ = 7.00î + 2.00ĵ. Let terclockwise angles be positive. (a) What angle does A make with the +x-axis? (b) What angle does B make with the +x-axis? (c) Vector Č is the sum of Ả and B, so Č = À + B. What angle does Č make with the +x-axis? tors and 30.0° V B = coun- B (2.4 m)
You are given two vec- |O A = -3.00î + 6.00ĵ = 7.00î + 2.00ĵ. Let terclockwise angles be positive. (a) What angle does A make with the +x-axis? (b) What angle does B make with the +x-axis? (c) Vector Č is the sum of Ả and B, so Č = À + B. What angle does Č make with the +x-axis? tors and 30.0° V B = coun- B (2.4 m)
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For these 3 questions, answer number 2 only.
Transcribed Image Text:PROBLEM SET #2
1
(а) Write each
vector
Figure E1.37
in Fig. E1.37 in terms of the unit
vectors î and ĵ. (b) Use unit vec-
( Ả (3.60 m)
tors to express vector C, where
Č = 3.00Ã – 4.00B. (c) Find the
magnitude and direction of Ć.
-
70.0°
2
You are given two vec-
A = -3.00î + 6.00ĵ
B = 7.00î + 2.00ĵ.
terclockwise angles be positive.
(a) What angle does À make with the
+x-axis? (b) What angle does B make with the +x-axis? (c) Vector Ć
is the sum of Ả and B, so Č = À + B. What angle does Č make with
tors
and
30.0°
Let
coun-
B (2.4 m)
SO
the +x-axis?
| Vector À = 3.0î –- 4.0k. (a) Construct a unit vector that
3
is parallel to A. (b) Construct a unit vector that is antiparallel to A.
(c) Construct two unit vectors that are perpendicular to A and that have
no y-component.
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