An electron has an initial velocity of 4.00 X 10^6 m/s in the x direction. It en

Question

An electron has an initial velocity of 4.00 X 10^6 m/s in the x direction. It enters a uniform electric field E = (400 N/C) j, which is in the y direction. (a) Find the acceleration of the electron. m/s^2j (b)How long does it take for the electron to travel 10 cm in the x direction in the field? 0.025 mu s (c) By how much and in what direction is the electron deflected after traveling 10 cm in the x direction in the field? (To indicate direction, use negative for down and positive for upward.) cm

Explanation / Answer

An electron has an initial velocity in the x direction, it enters a uniform electric field which is in the y direction

A=qE/m=(1.6X10-19C)(400 N/C)/9.11X10-31 kg=-7.025X1013 m/s2

Y=0.5at2=-2.2 cm

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