Aphoton of wavelength 0.1382 nm travels in the positive x direction and scatters from a stationary electron placed at the origin. the wavelength of the scattered photon is 0.1403 nm. (a) what is the final speed of the electron? m/s (b) what angle does the electron's final velocity make with the x axis? degrees

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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 !