Consider a vector in the positive direction of x, b vector in the positive direc

Question

Consider a vector in the positive direction of x, b vector in the positive direction of y. and a scalar d. What is the direction of b vector d if d is (a) positive and (b) negative? What is the magnitude of (c) a vector middot b vector and (d) a vector middot b vector/d? what is the direction of the vector resulting from (e) a vector times b vector and (f) b vector times a vector? (g) What is the magnitude of the vector product in (e)? (h) What is the magnitude of fie vector product in (f)? What are (i) the magnitude and (j) the direction of a vector times b vector/d if d is positive? (a) + y (b) - y

Explanation / Answer

a] +y direction

b] -y direction

c] a.b = a b cos 90 degree = 0

d] 0

e] +z direction

f] - z direction

g] magnitude = |a|*|b|

h]magnitude = |a|*|b|

i]magnitude = |a|*|b|/d

j] +z direction

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