Asked by Tom
Find the distance light travels from its starting point, S to its final point, F by traveling two different paths: Reflecting from point A, and reflecting from point B.
From point S to A is 30 cm, from point A to B is 30 cm, from point B to F is 30 cm, and from the mirror to point F is 30 cm.
From point S to A is 30 cm, from point A to B is 30 cm, from point B to F is 30 cm, and from the mirror to point F is 30 cm.
Answers
Answered by
drwls
I am not able to visualize this from your description. Your question may go unanswered, unless someone else can figure out where the points are in one or two dimensions.
Answered by
Tom
S +\ + /+F
+ \ + / +
30cm+ \ + / +30cm
+ \ + / +
+--- \--+-/----+-mirror
A 30cm B 30cm
a^2 = b^2 = c^2
I don't know where to go from here
+ \ + / +
30cm+ \ + / +30cm
+ \ + / +
+--- \--+-/----+-mirror
A 30cm B 30cm
a^2 = b^2 = c^2
I don't know where to go from here
Answered by
Tom
the diagram I drew looked nothing like that.The mirror is on the bottom, and B is in the middle, and A is on the left bottom corner. S is on the upper left corner, and F is on the upper right corner. There's 30 cm between each point. There's some triangles.
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