Physics 101 Introduction to Mechanics 

February 1 Vectors & 2D Motion  



Can
a vector have zero magnitude if one of its components is not equal to zero?
Explain.
Given the two displacement vectors in the figure draw and label a vector C which represents the sum A + B. Also, draw and label a vector D which represents the difference A  B.
A displacement vector in the xy plane is
15 m long and directed as shown in the figure. Determine the x and
y components of the vector.
A person desires to reach a point that
is 2.4 km from her present location and in a direction that is 25.0°
north of east. However, she must travel along streets that are oriented
either northsouth or eastwest. What is the minimum distance she
could travel to reach her destination?


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