Asked by Help with Physcis

If you have a 900cm2 plane mirror 45 cm in front of you and can just see the full length of an 8.5m flagpole behind you how far are you from the flagpole?
Answered by drwls
To answer this, you need the height H of the mirror, not its area. Are we supposed to assume it is a squate mirror? In that case, H = 30 cm

If H is the length of the mirror in the vertical direction,
H/0.45 = 8.5/(X +0.45)

Solve for X, once you know H.
Answered by brian murphy
42
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