Question Detail

PHY 101 PHY 101 Past Questions Objective Question

Question

An electron with a speed of 1.2 × 10^7 m/s moves horizontally into a region where a constant vertical force of 4.5 × 10^-16 N acts on it. The mass of the electron is 9.11 × 10^-31 kg. Determine the vertical distance the electron is deflected during the time it has moved 30 mm horizontally.
Options
A 1.2 mm
B 2.0 mm
C 20.0 m
D 1.5 mm
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

The vertical deflection is 1.5 mm.

Hint

Treat horizontal and vertical motions independently using kinematics.

Question Info