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Physics, 22.06.2019 05:10
A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
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Physics, 23.06.2019 15:30
Ascience teacher heated liquid ethanol for an experiment. when he turned up the temperature, the ethanol quickly disappeared, and a strong aroma filled the room. what happened to the ethanol?
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Physics, 23.06.2019 23:30
Three point charges have equal magnitudes, two being positive and one negative. these charges are fixed to the corners of an equilateral triangle, as the drawing shows. the magnitude of each of the charges is 5.6 µc, and the lengths of the sides of the triangle are 3.9 cm. calculate the magnitude of the net force that each charge experiences.
Answers: 1
Examine the light rays that are emerging from the lamp. Are the rays near the light source diverging...
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