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Short Answer 1. What is the difference between a hypothesis and a theory? What is the role of testing? 2. Distinguish between the concepts of

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Short Answer 1. What is the difference between a hypothesis and a theory? What is the role of testing? 2. Distinguish between the concepts of mass and weight. Which is more fundamental, and why? 3. What is the meaning of the expression IF = D? Provide an example (that was not used in class] to demonstrate your understanding of this concept. 4. What is the difference between speed, velocity, and instantaneous velocity? Give examples (that were not used in class) of each

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