Physics 2 Quiz
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ELECTROSTATICS
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In a thought experiment, an electric field region contains two subregions. In subregion I (0<x<a0 < x < a), E⃗=E0x^\vec{E} = E_0\hat{x}. In subregion II (a<x<2aa < x < 2a), E⃗=−E0x^\vec{E} = -E_0\hat{x}. A particle of charge +q+q and mass mm enters at x=0x=0 moving in the +x+x direction with initial speed v0v_0. Ignore gravity.
As the particle moves from x=0x=0 to x=2ax=2a, which of the following correctly describes how the net impulse delivered by the electric force compares to the impulse delivered in subregion I alone?
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