To completely fill a frame of "35-{\rm mm}" film, the image produced by a camera must...
To completely fill a frame of "35-{\rm mm}" film, the image produced by a camera must be 36 {\rm mm}high.
If a camera has a focal length of 150 {\rm {\rm mm}} , how far away must a 1.9 {\rm {\rm m}} -tall person stand to produce an image that fills the frame? Express your answer using two significant figures.
d_{0}= ________ {\rm m}
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To completely fill a frame of "35-{\rm mm}" film, the image
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