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Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)
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Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity
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Hai điện tích điểm q1 = q2 =
5.10-8C đặt tại hai điểm A,
B trong không khí, cho AB
= 1...
B trong không khí, cho AB
= 1...
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