Abstract
Tablet computers were used as experimental tools to record and analyse the
motion of a ball thrown vertically from a moving skateboard. Special
applications plotted the measurement data component by component,
allowing a simple determination of initial conditions and g in order to
explore the underlying laws of motion. This experiment can easily be
performed by students themselves, providing more autonomy in their
problem-solving processes than traditional learning approaches. We believe
that this autonomy and the authenticity of the experimental tool both foster
their motivation.