The lens of a slide projector with a focal length of 900 mm
The lens of a slide projector with a focal length of 90.0 mm projects a slide onto a screen that is 15.0 m away. How far from the lens must the slide be placed to form a sharp image on the screen?(in cm)
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the lens of a slide projector with a focal length of 1000 mm projects a slide onto a screen that is 100 m away how far
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suppose a toy oscillated with a frequency of 500 hz and hence a period of 0002s if the toy moves past an observer at
the lens of a slide projector with a focal length of 900 mm projects a slide onto a screen that is 150 m away how far
a 0335 kg iron horseshoe that is initially at 420degc is dropped into a bucket containing 203 kg of water at 221degc
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a small single r1mm is placed coaxially at the center of a long solenoid n500 tunrs per cm the solenoid carries a
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