Question

The ANS here is=c ●How
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Answer 1

Answer:

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Explanation:

A vector is a motion that has both size and direction. In this case, we know only the size.

Imagine that are standing in a field and you walk 20 metres in one direction. You then randomly choose another direction and walk 25 metres. Where are you?

It depends entirely on which directions you walked. If you looked this from above, you would walk in one direction for 20 metres and then you have a choice in a circle around this point of where to go next.

It could never be zero, because you walk further the second time than the first, so you can't get back to where you started. It couldn't be 3 either because the closts you can get to where you started is 5 (you walk in one direction then turn round and walk back).

It also can't be 50 or 47 are these are more than the maximum in a straight line (which would be 45).

So the only answer is 12.

Answer 2

two Vector is added by triangle or parallelogram rule .

we know that to be a vector

vector must have both magnitude or direction as well as follow triangle rule .

in the question given

magnitude of two Vector which is 20 and 25

the direction of vector A and B liye

in either same direction or both in opposite direction.

let's take both vector are in same direction

then it's magnitude = 20 + 25 = 45

or

-20 + (-25)= -45

let's take both vector in opposite directions

then

25 - 20 = 5

or

20 - 25 = -5

negative sign indicate direction so it doesn't matter

Now the value of sum of vector lie in 5 to 45

in option

12 is lie in between 5 to 45

so option C is right