Super Projectile Rock Toss (676K)
Superman throws a rock at 32.0^o fast enough that the rock will land half way around the planet. Before he tosses the rock he first stops the planet's rotation and suck all the air off the surface. The planet just happen to have the size and mass as Earth. Super Projectile Problem - ICBM Launch IP Simulation

Vertical Ball Toss Movie (500K)
A ball is launched vertically into the air beside a tall building. The objective is to make the maximum rise of the ball equal the height of the building by adjusting the ball's initial upward velocity. Vertical Ball Toss Problem - Vertical Ball Toss Simulation

Rising Rocket QT Movie (400K)
A toy rocket has an upward acceleration until its fuel runs out. The speed and height of the rocket are observed in order to determine the maximum height, velocity, and duration of the flight. Rising Rocket Problem - Rising Rocket Problem IP Simulation

Long Distance Drop QT3 Movie (1M)
A rock is dropped from rest at a large distance from the equator. Shown is the acceleration, velocity, and height of the rock as a function of time as the rock falls to Earth. Also shown is the Earth's rotation during the rock's decent. Long Distance Rock Drop Problem - Long Distance Rock Drop IP3.0 Simulation

Water Balloon Rupture under the pull of Gravity (236K)
A balloon is filled with water and hung vertically from its tied end. The balloon is then pierced to see what will happen when the balloon erupts.