The projector in a movie theater has a lens with a focal length of 29.5 cm. It

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The projector in a movie theater has a lens with a focal length of 29.5 cm. It projects an image of the 70.0-mmwide film onto a screen that is 38.0 m from the projector.
(a) How wide is the image on the screen?
(b) What kind of lens is used in the projector?
(c) Is the image on the screen upright or inverted compared with the film?
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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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