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- 44. The dot product is used to determine the I. angle between two vectors. I. projection of a vector in a specified direction. II. moment of a force. I only O Il only 1&|I Ill only 45. What is a position vector? A vector represented by a line segment beginning at the origin of an orthogonal coordinate system. O A vector with its position defined in the orthogonal coordinate system. A vector whose arrow is pointing to the right in the orthogonal coordinate system. A vector whose line segment ends at the origin of the orthogonal coordinate system. 46. The scalar product is useful for: determining the weight of falling object. angle between two vectors. resultant of two vectors. O vector product of two vectors,5. Determine the dot product u. v. u (0, 4,-4); v: 2i - j + 7k (b) ||u|| = 5, ||v|| = 2/1, and the angle between the two vectors is 0 =If the magntitude of two vectors are 3 and 4 and magntitude of their dot product is 6, what is the angle between the vectors O a. 90 degree O b. 45 degree O c. 60 degree O d. 0 degree O e. 120 degree
- 6. Consider the two vectors. 4-3-4j B = 6k a. What is the cross product AXB? b. What is the dot product A. B?A value of 1 Joule is equal to what? A. 1N * m^2 B. 1N*M C. 1 n/m^2Which of the following are true if two vectors are equal? Select as many. I. Their magnitudes are equal II. They point in the same direction III. Their dot product is equal to the product of their magnitudes IV. Their cross product is zero
- Homework: The pin-connected structure of Figure below has the 2400 N.mm moment applied to member CDE. Neglecting the weights of all members, determine the horizontal and vertical components of the pin reaction at E on member CDE. 200 Nmm 2400 N.mm 3 mm Smooth slot 50 Nm 3 mm A 8 mm 2 mm 3 mmQuestion 3 The dot product of two vectors is negative while the magnitude of its cross product is positive. Which of the following best describes the angle between the two vectors? Between 0 to 90. O Between 90 and 180. O 0. O None of the above. O 90.see attached G12 Physics quesion 187.2
- Peter propels a penguin with mass 10.0kg from 2.50m above the ground at an angle 30.0o from the horizontal axis (ground), with an initial speed of 15.0 m/s. Assuming the penguin remains rigid (scared, so assume the particle model!) and ignoring any rotational effects, Using the isolated system model, what is the maximum potential energy of the penguin? a. 1370 Joules b. 1125 Joules c. 245 Joules d. 2250 Joulescan u please help with calculations on this problem i keep getting confused the change of equilibrium equationWhat relative orientation of vectors results in a minimum value of magnitude of the cross product? What relative orientation of vectors results in a dot product of zero?
