(b) The new direction of 5
d
G
is the same as the old: south.
The vector
2.0
d
−
G
can be written as
ˆ
2.0
(6.0 m) j.
d
−=
G
(c) The absolute value of the scalar factor (
−
2.0 = 2.0) affects the magnitude.
The new
magnitude is 6.0 m.
(d) The minus sign carried by this scalar factor reverses the direction, so the new
direction is
ˆ
j
+
, or north.
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics

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