It's time to refine your launch technique. The launcher should be consistent (it should shoot with the same power with every shot).However, objects that are too dense and hard can also be a safety hazard and For example, if you use a ping pong ball then you probably won't succeed, as its trajectory is greatly affected by air resistance. Projectiles with higher density will produce more accurate results.Do not use a launcher that endangers others or would cause damage to your home or classroom.If you're feeling adventurous, you may replace our launcher with any launcher of your choice. A stopwatch or a smartphone that can take videos and.To measure the trajectory, you will need: Magazine holder or other reference object (optional).A flat exercise band (light resistance is best), such as TheraBand.To make the launcher we recommend, you will need: For the experiment, you will enter the time of flight, distance, and initial height and the calculator will help you find the launch angle and initial velocity. The neat thing about the projectile motion calculator is that it also works 'in reverse'. If you drew a free-body diagram of such an object, you would only have to draw one downward vector and denote it as “gravity.”ĭepending on your learning objectives, you can either use the calculator alone or use the equations to try to work out the answers independently. In this experiment, we will only consider the one major force acting on a projectile – the force of gravity. If you'd like to learn more about it and the governing equations, the trajectory calculator is a way to go. Any object moving in such a way is in projectile motion. If you could trace its path, it would be a curve called a trajectory in the shape of a parabola (ignoring air resistance). The further it flies, the slower its ascent is – until it finally starts descending, moving now downwards and forwards and finally hitting the ground again. It starts moving up and forward, at some inclination from the ground. Imagine an archer sending an arrow into the air.
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