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A slide projector needs to create a 99.0 -high image of a 2.00 -tall slide. The screen is 290 from the slide.
What focal length does the lens need? Assume that it is a thin lens.
Part A
How far should you place the lens from the slide?
A 0.50kg object is attached to an ideal massless spring of spring constant 20N/m along a horizontal, frictionless surface. What is the amplitude of vibration
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