What are the magnitude and direction of the net force

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Q. Two point charges are placed on the axis as follows: Charge = 4.00 is located at = 0.200 , and charge = 5.00 is at . What are the magnitude and direction of the net force exerted by these two charges on a negative point charge = -0.600 placed at the origin?

Q. A police car is traveling at a velocity of 17.0 m/s due north, when a car zooms by at a constant velocity of 44.0 m/s due north. After a reaction time of 0.700 s the policeman begins to pursue the speeder with an acceleration of 4.80 m/s2. Including the reaction time, how long does it take for the police car to catch up with the speeder?

Reference no: EM1364975

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