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why right as positive and left as negtive directions those have to consider in calculating relative velocity in 1 dimension?

why right as positive and left as negtive directions those have to consider in calculating relative velocity in 1 dimension?
 

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
That has been assumed according to the cartesian x and y directions coordinates.
 
That has been defined as a convention for solving such direction problems.

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