Basketball

Balance a tennis ball on a basketball and drop both together. The tennis ball rebounds to roughly four times the drop height — a dramatic illustration of energy transfer in …

Ethanol vapor combustion inside a PVC cannon launches a basketball, dramatically demonstrating chemical-to-kinetic energy conversion. Students trace the energy transformation chain and discover that only a tiny fraction of the …

A basketball fired vertically from a moving cart lands back in the cannon, demonstrating that projectile trajectory depends on the observer's reference frame. From the cart's frame the ball goes …