AP Physics 1
1.3 Representing Motion
1.2 Displacement, Velocity, and Acceleration
A student drops two spheres of the same diameter, one made of solid steel and one made of hollow plastic, from the top of a very tall building at the same time. The student uses a motion sensor to record the velocity of each sphere as it falls through the air. The student observes that the steel sphere hits the ground before the plastic sphere. Which of the following is a correct explanation for this observation?
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