Q1. To decide freefall acceleration on a moon with no atmosphere, you drop the handkerchief off the roof of a baseball stadium there. The roof is 123 meters tall. The handkerchief reaches the ground in 14.2 seconds. What is freefall acceleration on this moon?
Q2. A gun shoots bullets that leave the muzzle with a speed of 336 m/s. If a bullet is to hit a target 136 m away at the level of the muzzle, the gun has to be aimed at a point above the target. How far above the target is this point?