What is the resultant of the vectors shown?
2 answers:
Answer:
Option C
Explanation:
As we know that when we have to subtract a vector from another vector then the resultant of two vectors is same as we add the reverse of the vector into the first vector.
so here we need to add reverse of vector B into vector A
since here we have to find the resultant of the difference of two vectors so we will first reverse the direction of 2nd vector given here and then add it into the first vector.
So here as per the figure given below correct answer is option C
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Answer:
Do neither of these things ( c )
Explanation:
For length contraction : Is calculated considering the observer moving at a speed that is relative the object at rest applying this formula
L = (l)
where l = Measured distance from object at rest, L = contracted measured in relation to the observer , v = speed of clock , c = speed of light
you will do neither of these things because before you can make such decisions who have to view the object in this case yourself from a different frame from where you are currently are, if not your length and width will not change hence you can't make such conclusions/decisions .