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How much energy is stored with the electric field among two square plates, 9.3 cm on a side, separated by a 1.5 mm air gap? The charges on the plates are equal and opposite and of magnitude 470 µC. answer in joules
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Question: Suppose that two stars in a binary star system are separated by a distance of 90 million kilometers and are located at a distance of 180 light-years from Earth. Part A What is the angular separation of the two ...
A woman wishing to know the height of a mountain measures the angle of elevation of the mountaintop as 12°. After walking 1.23 km closer to the mountain on level ground, she finds the angle to be 15.8°. Find the height o ...
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