exam1review

# exam1review - Today Exam#1 Review Exam#1 is Thursday Feb 12...

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ISP209s9 Lecture 9 -1- Today – Exam #1 Review • Exam #1 is Thursday Feb. 12 in this room, BPS 1410 • The exam is all multiple choice questions. There are a few questions where you will have to use a formula, so bring your calculator . • Bring your student ID • You will have the full 80 minutes for the exam. You can bring one sheet of notes (front and back)

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ISP209s9 Lecture 9 -2- Program for Today • We will read through the review sheet. This is posted under the reading assignment for today’s class. • Some of the exam problems will be very close to homework problems. • Some of the exam problems will be similar to the “Concept Checks” in Hobson
ISP209s9 Lecture 9 -3- Basics Know scientific notation and be able to recognize that for example, 0.003 is the same as 3.0E-3. Know Gm, Mm, cm, mm, mm. For example know 1 m = 1x10 6 mm and be able to do a simple conversion Know the characteristics of science and pseudoscience. Know the SI units for some of the basic quantities we have been working with Position – m (meters) Time – s (seconds) Speed – m/s Acceleration – m/s^2 Force – N (Newtons) Mass – kg (kilograms)

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ISP209s9 Lecture 9 -4- The Scientific Method • Science – No theory can ever be proven true. We are always looking for theories that work better. • Pseudoscience (not bad, just not science) The hypothesis is not at risk. If data does not agree with the hypothesis, then the data is assumed to be wrong. – Some facts are ignored. – Exploit the controversies and inadequacies in a competing theory. – Portrayed as an underdog being punished by the scientific establishment. – Reliance on fear and other emotions, or reliance on a lack of knowledge – People who do pseudoscience usually do not publish in normal scientific journals.
ISP209s9 Lecture 9 -5- Scalars, Vectors, and Tensors Know what a vector and scalar is A tensor is a generalization of these quantities in multiple dimensions. The “rank” of a tensor gives the dimension. – Rank 0 is a scalar – Rank 1 is a vector – Rank 2, or higher, describes a more complex quantity that has two directions and two magnitudes. The metric of space-time, or the curvature of space time are examples.

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## This note was uploaded on 12/05/2011 for the course ISP 209 taught by Professor Sherrill during the Fall '07 term at Michigan State University.

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exam1review - Today Exam#1 Review Exam#1 is Thursday Feb 12...

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