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Q1. A circular surface with a radius of 0.047 m is exposed to the uniform electric field of magnitude 1.92 x 10^4 N/C. The electric flux through the surface is 56 N•m2/C. What is the angle between the direction of the electric field and the normal to surface?

Q2. The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are right?

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