(c17p18) Use the following values for mass and charge: an electron has mass me = 9.11

Question

Question

(c17p18) Use the following values for mass and charge: an electron has mass m_e = 9.11

science physics

Answer 1

Answer #1

since

KE=1/2mv²=qV=1.6x10^-19 x 750=1.2x10^-16J

since

1/2mv²=qV

v=sqrt(2qV/m)=sqrt (2 x1.6x10^-19 x 750/9.11x10^-31)=1.623x10⁷m/s

Answer 2

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