What change in momentum does the force produce

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Q. Five equal negative point charges -q are placed symmetrically around a circle of radius R as shown. Use a rough approximation to express the magnitude of the electric field E at a point on the positive x axis a distance R from the center of the circle?

Q. An 885 kg drag race car accelerates from rest to 111 km/h in 1.08 s. What change in momentum does the force produce?

Reference no: EM1352998

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