). The dot product of a, · a, is equal to: а. 1 b. 0 C. az d. -1
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- B (15.0 m) Ď (10.0 m) 30.0 53.0 25.0° Ċ (12.0 m) A (8.00 m) Consider the vectors shown above. What is the dot product ? O 55.0 m2 O -40.6 m2 O24.8 m2 O -55.0 m2 O 87.0 m2 O -24.8 m2Answer 7 please and explains work3.The Work-Energy Principle states that work is equal to the change in kinetic energy. What unit measures these variables?
- 3. Which of the following statements correctly describes the relationship between an objects kinetic energy and its speed? a. E k is directly proportional to the speed of the object b. E k is directly proportional to the speed squared of the object c. E k is inversely proportional to the speed of the object d. E k is inversely proportional to the speed squared of the object e. none of the above describe the relationshipCalculate the dot product of the vectors F = -i + 3j - 6k ; G = 7i - 5j + k. a. 28 b. -28 c. 30 d. -303. Calculate the scalar product of vectors A and B. Illustrate with complete and correct labels (rough estimation only). Ā = 125 units, -120° and B= 187 units, 25.0° south of east.