posted by Anonymous .
The electron gun in a television tube
is used to accelerate electrons with mass
9.109 × 10−31 kg from rest to 3 × 107 m/s
within a distance of 4.7 cm.
What electric field is required? The funda-
mental charge is 1.602 × 10−19 C.
Answer in units of N/C
E= m•(v²-vₒ²)/2•s•e= ...