Just Answers. No explanations needed. Plz ASAP. 17. The cross-product an vector

Question

Just Answers. No explanations needed. Plz ASAP.

17. The cross-product an vector with itself; a. is a scalar b. is a vector or zero magnitude e. cannot he calculated d. is a vector perpendicular to the given vector, Find the curl of F = 19. True or faIse? (2 points each) (a) v.w = 0 if and only if v = 0 or w = 0. (b) If ||v|| and ||w|| are large then v.w is large. (c) The dot product of a vector with itself is its magnitude. (d) Parallel planes share a same normal vector. (c) If two planes are perpendicular, so are their normal vectors. 20. Biot-Savart's Law is the magnetostatic equivalent of which electrostatic law? n. Ohm's Law b. Coulomb's Law c. Faraday's Law d. Gauss's Law

Explanation / Answer

17. B

18. D

19.

a F

b F

c T

d T

e T

20. B

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