The electron with charge: wwwwwwwwwww and mass: q=-1,6.10-¹9 C m=9,1.10-³1 kg www ww is thrown vertically upwards with initial speed v0=4 m/s, in the presence of the electric field of mag nitude E-50 pN/C. Find the wwwwwww w wwwwww
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