1. Electrons, like all forms of matter, fall under the influence of gravity. If an electron is projected horizontally with a speed of 3.0e7 m/s (one tenth the speed of light), how far will it fall in traversing 1 m of horizontal distance?
2. A rifle is aimed horizontally at a target 100 ft away. The bullet hits the target 0.75 in. below the aiming point. What is the muzzle velocity of the rifle?