Question:
find a vector of magnitude 50 N and parallel to the vector 4i cap + 3jcap
Answer:
Given vector, say V = 4i +3j
The magnitude of the vector V = √(4)2 +(3)2
= 5
Unit vector = vector V/ mode of vector V
= (4i +3j) /5
But given that a vector has magnitude 50
So, 50 [4i /5 +3j /5]
So the vector is, 40i +30j
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