An electron in a television tube is accelerated uniformly from rest to a speed of 8.4 × 10⁷ m/s 8.4 × 10⁷ m/s over a distance of 2.5 cm. What is the instantaneous power delivered to the electron at the instant that its displacement is 1.0 cm?
a) 13,6 x 10⁻⁶ J
b) 2,4 x 10⁻⁶J
c) 6,8 x 10⁻⁶ J
d) 1,6 x 10⁻⁶ J
