Question

An electron (m = 9 x 10-31 kg) leaves the cathode of a radio tube with zero initial velocity and travels in a straight line to the anode, which is 1 cm away. It reaches the anode with a velocity of 6 x 106 m s-1. If the force on the electron was constant, calculate:
the acceleration and the force
the time taken for the electron to reach the anode
a) a =v^2/2x
b) F= ma
c) t = v/a

Related Questions

An electron in a cathode-ray-tube (CRT) accelerates from 20300 m/s to 3.99 × 106 m/s over 1.34 cm....   In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by... Given that charge of the electron is 1.6 x10^-19 C,What is the energy gained by the cathode ray part... An electron (m = 9 x 10-31 kg) leaves the cathode of a radio tube with zero initial velocity and tra...