Answer:
86.1
Step-by-step explanation:
because if it it trigonometry u do the inverse operation of tan
so its tan-1 (215/15)
=86.0090869
if u want to round to 3sf its 86.1
hope it helped
Answer:
5ax + 5ay = 5a(x+y)
Step-by-step explanation:
Answer:
80% I am thinking is correct
Additional information to complete the question:
How long does it take for a short pulse of light to travel from one end of the glass to the other?
Express your answer in terms of some or all of the variables f and L. Use the numeric value given for n in the introduction.
T = ___________ s
Answer:

Step-by-step explanation:
Given:
Thickness og glass = L
Index of refraction n=1.5
Frequency = f

λ(air) 
λ(glass) = λ(air) / n
= 
= 
= 
V(glass) = fλ(glass)

