The value of w given that k is 15 is 30
Sum of vectors
From the given diagram, the sum of the two vectors moving in the same direction is equal to the vector moving in the opposite direction.
- The sum of vectors in similar directions = -k% - k%
- The sum of vectors in similar directions = -2k%
Equating this to -w%
-2k% = -w%
-2k = -w
w = 2k
If k = `5
w = 2(15)
w = 30
Hence the value of w given that k is 15 is 30
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