I launch 2 projectiles at the same angle. The first one was launched with a horizontal speed of 10 m/s. The second was launched at a speed of 20 m/s.
1. Which object will go farther?
2. Which object will land first?
3. If I drop a tennis ball at the same time that my friend throws one horizontally, which one will hit the ground first? (Neglect air resistance) How do you know?