Grade 10 Quadratic Word Problems: Projectiles (What goes up must come down!)

Projectile word problem examples:
1. Springboard - initial height, when he enters water, maximum height
2. Fireworks - Maximum height and when, how long above 100m
3. Football - Initial height, when it hits the ground, maximum height
4. Weightlessness simulation - max altitude and how long, when weightlessness occurs, how long does the simulation of weightlessness last