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Q. A cable is used to raise a 26 urn from an underwater archeological site. There is a 24 drag force from the water as the urn is raised at a constant speed.

Q. What must the charge (sign and magnitude) of a particle of mass 1.43 be for it to remain stationary when placed in a downward-directed electric field of magnitude 620 ?

Use 9.81 for the magnitude of the acceleration due to gravity.

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