Physics question below?

2 ⤊

Physics question below?

A person whose eyes are 1.85 m above the floor stands in front of a plane mirror. The top of her head is 0.11 m above her eyes.

a) What is the height of the shortest mirror in which she can see her entire image?
b) How far above the floor should the bottom edge of the mirror be placed?

2007-05-19 18:34:09 · 2 answers · asked by Alan l 1 in Science & Mathematics ➔ Physics

2 answers

a) h = (1.85 + 0.11)/2 = 0.98 m = 98 cm
b)h = 1.85/2 = 0.925 = 92.5 cm

2007-05-19 18:51:16 · answer #1 · answered by Helmut 7 · 2⤊ 0⤋

You also need to know how far away from the mirror she's standing âº

Doug

2007-05-20 01:40:42 · answer #2 · answered by doug_donaghue 7 · 0⤊ 0⤋