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Describe the path of a ray that approaches a mirror parallel to the principal axis.
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Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.
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Physics, 23.06.2019 03:00, ggggggggv24
If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.
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A rigid bar is supported by a pin at b. two steel rods, 3 ft long and 5/8 inch diameter, are attache...
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