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Original Question
A dog runs west for 20m then north for 15m. What is the resultant displacement of the dog graphically and by calculations?Asked by sfundo
A dog runs west for 20m then North for 15m. What is the resultant displacement of the dog graphically and by calculations
Answers
Answered by
wang
Displacement is (square root 15^2 + 20^2)
Answered by
bobpursley
you have to add the angle for DISPLACEMENT.
the angle is arctan(15/20) W of N
the angle is arctan(15/20) W of N
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