Final answer:
Theoretical velocity is calculated using the equation V_theoretical = (2gh)^0.5, while experimental velocity is determined through direct measurements.
Step-by-step explanation:
Theoretical velocity is calculated using the equation Vtheoretical = (2gh)0.5. This equation relates the theoretical velocity of a falling object to the acceleration due to gravity and the height from which it falls. On the other hand, experimental velocity is determined through direct measurements. This means that the experimental velocity is obtained by measuring the actual velocity of an object using equipment such as a stopwatch, motion sensor, or radar gun.