PH104_WI07_MT1_PR

PH104_WI07_MT1_PR - This is a Practice Midterm The real...

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This is a Practice Midterm The real exam will have different questions and/or different answers. Here is how one would study using this exam. 1. Sit down with the exam in a quiet location, and give yourself 80 minutes to take the exam. 2. Treat this as a real exam until the solutions are posted. 3. Go through the exam a. Mark the questions you knew the answer to right away with a 3 b. Mark the questions that you figured out the answer to after a few minutes with a 2 c. Mark the questions that you could narrow down to 2 possible answers with a 1 d. Mark the questions you had no clue on with a 0 4. This numbering system should guide your studying now 5. You probably understand the concepts for those questions with a 3 or a 2 6. You should concentrate on those questions with a 1 or 0 7. This may take more time than you are accustomed to spending on studying for an exam, but your success rate will increase Questions Follow: 1. What is the composition of Jupiter and Saturn? A. Both planets are mainly helium and lithium B. Both planets are mainly carbon and oxygen C. Both planets are mainly hydrogen and helium D. Both planets are mainly water and ice E. Both planets are mainly water and ammonia 2. Why is the moon Triton considered to be a captured moon of Neptune? A. It is too big to be made in orbit around a Jovian B. It has an atmosphere C. It orbits Neptune counterclockwise D. It has a magnetic field 3. What is the probability of large extinction event impact on the Earth? A. We are due, so any day now B. Large impact that could cause extinction happen once every few hundred years C. Large impacts that could cause extinction happen once every few hundred million years D. None of the above 4. When space probe Voyager 2 passed by Saturn, its speed increased (but not due to firing its engines). What must have happened? A. Saturn must have given a tiny bit of its energy to the space probe. B. Saturn must have captured an asteroid at precisely the moment that Voyager 2 passed by. C. Voyager 2 must have dipped through Saturn's atmosphere. D. Saturn's rotation must have sped up slightly.
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5. Which of the following represents a case in which you are not accelerating? A. driving 60 miles per hour around a curve B. driving in a straight line at 60 miles per hour C. slamming on the brakes to come to a stop at a stop sign D. going from 0 to 60 miles per hour in 10 seconds 6. The amount of gravitational potential energy released as an object falls depends on A. neither the distance it falls nor its speed at the time it begins falling. B. its speed at the time it begins falling. C. the distance it falls. D. the amount of time it takes to start falling. 7. The difference between speed and velocity is that A. A. velocity is calculated using a physics equation. B.
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This note was uploaded on 06/28/2009 for the course PH 104 taught by Professor Price during the Winter '08 term at Oregon State.

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PH104_WI07_MT1_PR - This is a Practice Midterm The real...

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