Asked by mary
The magnitudes of two vectors vector A and vector B are 20 units and 5 units, respectively. What are the largest and smallest possible values for the magnitude of the resultant vector vector R = vector A + vector B ?
largest:? units
Smallest:? units
largest:? units
Smallest:? units
Answers
Answered by
MathMate
The largest value of <b>A</b>+<b>B</b> is when they act in the same direction, and the resultant is the sum of the magnitudes.
The smallest value of <b>A</b>+<b>B</b> is when they act in opposite directions, and the resultant is the difference of the magnitudes.
The smallest value of <b>A</b>+<b>B</b> is when they act in opposite directions, and the resultant is the difference of the magnitudes.
Answered by
izzi
25 for smallest
Answered by
victor
25 largest and 15 for smallest
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