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A proton of mass (m) moving with a speed of 3.0x 10^6 m/s undergoes a head-on elastic collision with an alpha particle of mass (4m), which is initially at rest. What are the velocities of the two particles after the collision?
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Question: A soap bubble is essentially a thin film of water surrounded by air. The colors you see in soap bubbles are produced by interference. What visible wavelengths of light are strongly reflected from a 390 nm -thic ...
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