Part B What is the maximum mass mmax that would prevent the particle from falling indefinitely? Express your answer in terms of some or all of the variables q, o, R, the acceleration due to gravity g, and the electric constant €0. mmax = Submit ΕΠΤΑΣΦ Request Answer Consider an infinite flat sheet with positive charge density a in which a circular hole of radius R has been cut out. The sheet lies in the zy-plane with the origin at the center of the hole. The sheet is parallel to the ground, so that the positive z-axis describes the "upward" direction. If a particle of mass m and negative charge -q sits at rest at the center of the hole and is released, the particle, constrained to the z-axis, begins to fall. As it drops farther beneath the sheet, the upward electric force increases. For a sufficiently low value of m, the upward electrical attraction eventually exceeds the particle's weight and the particle will slow, come to a stop, and then rise back to its original position. This sequence of events will repeat indefinitely. Part G 図」? If the sheet has charge density 1.00 nC/cm², the radius of the hole is R = 10.0 cm, and the particle has mass 35.0 g and charge -1.00 μC, what is max? Express your answer with the appropriate units. Max - 56 Part H → C gms Submit Previous Answers Request Answer ? C Review | Constants If the sheet has charge density 1.00 nC/cm², the radius of the hole is R 10.0 cm, and the particle has mass 35.0 g and charge -1.00 µC, what is Amax? Express your answer with the appropriate units. 2

Part B What is the maximum mass mmax that would prevent the particle from falling indefinitely? Express your answer in terms of some or all of the variables q, o, R, the acceleration due to gravity g, and the electric constant €0. mmax = Submit ΕΠΤΑΣΦ Request Answer Consider an infinite flat sheet with positive charge density a in which a circular hole of radius R has been cut out. The sheet lies in the zy-plane with the origin at the center of the hole. The sheet is parallel to the ground, so that the positive z-axis describes the "upward" direction. If a particle of mass m and negative charge -q sits at rest at the center of the hole and is released, the particle, constrained to the z-axis, begins to fall. As it drops farther beneath the sheet, the upward electric force increases. For a sufficiently low value of m, the upward electrical attraction eventually exceeds the particle's weight and the particle will slow, come to a stop, and then rise back to its original position. This sequence of events will repeat indefinitely. Part G 図」? If the sheet has charge density 1.00 nC/cm², the radius of the hole is R = 10.0 cm, and the particle has mass 35.0 g and charge -1.00 μC, what is max? Express your answer with the appropriate units. Max - 56 Part H → C gms Submit Previous Answers Request Answer ? C Review | Constants If the sheet has charge density 1.00 nC/cm², the radius of the hole is R 10.0 cm, and the particle has mass 35.0 g and charge -1.00 µC, what is Amax? Express your answer with the appropriate units. 2

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