Answer:
b is the answer
Explanation:
because i did this before
Answer:
given,
R = 2i + j+3k
a) magnitude in x = 2
y = 1
z = 3
b) magnitude of R

R = 3.74 units
c) angle between the R and the x, y, and z axes.

θ x = 57.72°

θ y = 74.51°

θ z = 36.68°
The answer is diffraction or interference
<span>Velocity tells you what speed a moving object travels at and in what direction.</span>