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Light from a helium-neon laser (? = 633 nm) passes through a circular aperture and is observed on a screen 4.5 m behind the aperture. The width of the central maximum is 3.0 cm. What is the diameter (in mm) of the hole?
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Question: A small, 300 g cart is moving at 1.90 m/s on an air track when it collides with a larger, 5.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s. Part A: What is the speed of the large c ...
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