Determine the angle between the original two vectors
A vector that is 7.4 units long and a vector that is 5.4 units long are added. Their sum is a vector 12.3 units long. A) determine the angle between the original two vectors.
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The normal human eye has maximum visual acuity with a pupil size of about 3. For larger pupils, acuity decreases due to increasing aberrations;
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