Question

magnitudes of two vectors a and b are 4 units and 3 units respectively.If these vectors are(1) in same direction(theta=0°) (2) in opposite directions(theta=180°),then give the magnitude of resultant vector​

Answer 1

Answer:

magnitudes are two vectors a and b are 4 units and 3 units respectively

Answer 2

Answer:

In both the cases the answer is same because cos0°=cos180°=1

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