Scalar (Dot) Product: Determine the Angle Between the Directions of Vector

question 21

Multiple Choice

Scalar (dot) product: Determine the angle between the directions of vector = 3.00 + 1.00 and vector = -3.00 + 3.00 .

• A) 26.6°
• B) 30.0°
• C) 88.1°
• D) 117°
• E) 45.2°

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Definitions:

Bordetella Pertussis

A bacterial pathogen that causes whooping cough, a highly contagious respiratory disease.

Urinary Tract Infection

Urinary Tract Infection (UTI) is an infection affecting the urinary system, including the bladder and urethra, often caused by bacteria and characterized by frequent and painful urination.

Tetanus

A bacterial infection characterized by muscle spasms, often starting in the jaw, which can be prevented by vaccination.