Q1. An electron moves with a horizontal velocity of 3*10^6 m/s as it enters a deflector inside a TV tube. The electron strikes the screen after travelling 23 cm horizontally and 32cm vertically upward. What is constant vertical acceleration provided by the deflector?

Q2. A 0.75 m rod with uniform mass distribution runs along the x axis with its left end at the origin. A 1.8 m rod with uniform mass distribution runs along the y axis with its top end at the origin. Find out the coordinates of the center of gravity for this system.

Q3. A spaceship is moving between two planets at a speed of 2.6x10^8m/s. The passengers on the ship measure a time of 40h for the trip. What time would an observer on one of the two planets measure for the similar trip?