What is the magnitude and direction of the resultant of two vectors each has a magnitude of 6 and 8 acting at an angle of 53° with each other?
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Answer:
Resultant vector = (A²+B²+2ABcos¢)½
= (6²+8²+2×6×8×cos53°)
= (36+64+96×⅗)
= (100+288÷5)
= 788/5 units
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