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Exam 1 Review Winter 2011 v1

# Exam 1 Review Winter 2011 v1 - Exam 1 Review Check...

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Exam 1 Review Check ps100.byu.edu for schedule on exam (testing center) and on vocab quiz (taken on blackboard) New York Times Editorial, Jan 13, 1920 square4 Robert Goddard said a rocket could travel through empty space. The Times replied: “[Professor Goddard] does not know of the relation of action to reaction and the need to have something better than a vacuum against which to react. …[Goddard] seems to lack the knowledge ladled out daily in high schools.” square4 They printed a retraction on July 17, 1969, the day after the launch of Apollo 11. The Test! square4 A wonderful opportunity to impress us and your friends with the knowledge you have worked so hard to obtain! square4 http://ps100.byu.edu square4 Thirty questions, multiple choice. square4 One essay. You choose from a list of 4. square4 Don’t miss class to take the test or study for it. You’ll just get behind on the next material.

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Topics covered square4 Sources of knowledge square4 Six self-evident truths square4 Newton’s Laws square4 Motion at high speed No preferred ref frame, c is equal to all observers Time dilation, length square4 Forces Gravitation, electromagnetic, buoyancy square4 Conservation laws Mass, energy, charge, momentum contraction, increase in mass square4 Applications of forces (e.g., the elevator problem) Topics covered square4 Sources of knowledge square4 Six self-evident truths square4 Newton’s Laws 2 nd Law—for constant force, as mass goes up, acceleration goes down 3 rd Law, in any interaction forces are 1 st law Inertia, balanced forces means no acceleration Acceleration is in direction of net unbalanced force equal and opposite square4 Forces Gravitation, electromagnetic, buoyancy square4 Momentum (linear and angular Authority, Intuition, Sensory Data, Reason square4
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Exam 1 Review Winter 2011 v1 - Exam 1 Review Check...

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