Gizmos - Free-Fall Laboratory - Answer Key, Complete Solution.

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Free-Fall Laboratory Answer Key Vocabulary: acceleration, air resistance, free fall, instantaneous velocity, terminal velocity, velocity, vacuum Prior Knowledge Questions (Do these BEFORE using the... Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] 1. Suppose you dropped a feather and a hammer at the same time. Which object would hit the ground first? Answers will vary. [The hammer would hit the ground first.] 2. Imagine repeating the experiment in an airless tube, or vacuum. Would this change the result? If so, how? Answers will vary. [In a vacuum, both objects would hit the ground at the same time.] [Show More]

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