If and neither nor vanish, then:
A) and are parallel and in the same direction
B) and are parallel and in opposite directions
C) the angle between and is 45
D) the angle between and is 60
E) is perpendicular to
Correct Answer:
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Q4: 30° is
A)π/10 radians
B)π/6 radians
C)1 radian
D)π/2 radians
E)π radians
Q4: The vector is:
A)greater than in magnitude
B)less than
Q6: If = (2 m)− (3 m)and =
Q6: A vector of magnitude 20 is added
Q8: The angle between = −(25 m)+
Q9: We say that the displacement of a
Q9: Let .The magnitude of is:
A)5.00
B)5.57
C)7.00
D)7.42
E)8.54
Q13: A vector in the xy plane
Q14: A vector has a component of 10
Q19: One radian is approximately
A)10°
B)33°
C)57°
D)90°
E)180°
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