Two foam blocks, each with a charge of 8 microcoulombs (1 µC = 10-6 C), are both held in place 8 cm apart in the east-west direction. A foam ball with a charge 38 µC is placed 55 cm north of the foam block on the west side. Then, the ball is released, and it moves as a result of the electrostatic force produced in this system. What is the net electrostatic force (magnitude and direction) experienced by the foam ball?

Two foam blocks, each with a charge of 8 microcoulombs (1 µC = 10-6 C), are both held in place 8 cm apart in the east-west direction. A foam ball with a charge 38 µC is placed 55 cm north of the foam block on the west side. Then, the ball is released, and it moves as a result of the electrostatic force produced in this system. What is the net electrostatic force (magnitude and direction) experienced by the foam ball?

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