%3Cp%3E%3Cspan%20style%3D%22color%3A%26nbsp%3Brgb(51%2C%26nbsp%3B51%2C%26nbsp%3B
ID: 2272006 • Letter: #
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/ Answer
Mgnitude of the electric field=300N/c
Force on electron=300*1.6*10^-19 N
Acc of electron=300*1.6*10^-19/mass(electron)=300*1.75*10^11
so applying simple law of kinematics
v^2=u^2+2as(s=distance)
b)v^2=0+2*300*1.75*10^11*20/100=4582575.69 m/s
a)kinetic energy=0.5*m*v^2=2.08*10^-24 J
c)v=u+at
4582575.69=0+300*1.75*10^11*t
t=4582575.69/300*1.75*10^11=8.7*10^-8 sec
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