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Part A: A point charge Q creates an electric potential of +130V at a distance of 25cm. What is Q? Express your answer to two important figures and include the appropriate units.
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Question: A steel cable with mass is lifting a girder. The girder is speeding up. Part A Draw a free-body diagram for the steel cable. Draw the vectors starting at the black dots. The location and orientation of the vect ...
What are (a) the x component, (b) the y component, and (c) the z component of if r=a-b+c if a =8.0i+6.0j-3.3k, b=-5.5i+4.5j +6.0k and c=1.1i+5.6j+6.3k. (d) Calculate the angle between and the positive z ...
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Question: A parallel-plate vacuum capacitor is connected to a battery and charged until the stored electric energy is . The battery is removed, and then a dielectric material with dielectric constant is inserted into the ...
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