Avoltage of 18 v is applied across the ends of a piece of copper wire 8 cm long. the mass of an electron is 9.11 x 10kg and its charge is 1.6 x 10-b c what is the magnitude of the electron's acceleration? answer in units of m/s part 2 of 2 points after traveling 4 × 10-8 m, if it does not collide with a copper ion over this distance what is the kinetic energy of the electron

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Answer: 1.4 seconds which is the third optionexplanation: current is defined as the flow of charge per timetherefore, the equation that relates current, charge and time can be expressed as follows: i = δq / δtwhere: i is the current given = 1.8 ampereδq is the charge given = 2.5 coulombδt is the time required for the flow of the given charges to give the 1.8 ampere.substitute with the givens in the above equation to get the time as follows: 1.8 = 2.5 / δtδt = 2.5 / 1.8 = 1.38888 which is approximately 1.4 secondshope this was !