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Bouncy Bouncy Part 1 (Posted on 2006-02-08) Difficulty: 2 of 5
Part 1: Laser

A laser is fired at a flat mirror.

The laser beam starts at the point (0,5) following the equation y = 5 - x/3 heading down to the right.
The mirror follows the equation y=x/2.

Find the equation for the path the beam takes after it hits the mirror.

See The Solution Submitted by Jer    
Rating: 4.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
your solutions are all to complicated | Comment 6 of 10 |

There's a nice geometric way of doing this with no trig, no vectors, or anything fancy.  The 45 degree angle was a pure coincidence, the method I have in mind doesn't require this either.


  Posted by Jer on 2006-02-09 07:36:55
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