11·The outcome of the vector product between two vectors A and B has the followi

Question

11·The outcome of the vector product between two vectors A and B has the following significance a. Defines a new vector C perpendicular on the plane generated by the vectors A and The modulus of the vector product between two vectors is equal to the area defined by these two vectors The modulus of the vector product between two vectors is equal to the area defined by these two vectors None of the above. b. c· d. 12. The triple A(BxC) vector product is a. b. c. d. A vector A scalar A tensor None of the above. 13. The outcome of the triple A(BxC) vector product involving three vectors A, B and C has the following significance a. Defines a new vector C perpendicular on the plane generated by the vectors A and The modulus of the triple product between 3 vectors is equal to the volume defined by these vectors The modulus of the triple product between 3 vectors is equal to the area defined by any two vectors None of the above. b. c. d. 14. A vector V can be decomposed along the OX and OY directions of a two-dimensional orthogonal (right) system of reference. If the projection of the vector V along the ox directions is 3 units and the projection of the vector V along the OY axis is 4 units, then the magnitude of the vector V is: a. 7 units b. 1 unit c. 5 units d. Square root of 12 units e. None of the above

Explanation / Answer

11) option A is correct. the vector product is perpendicular to both.

12) option B is correct, because A.(BxC) is a scaler and AX(BXC) is a vector. We assume there is a dot in question or printing mistake.

13) Option B

14)option c is correct

V = sqrt(3^2+4^2) = 5

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