Phys298SampleExam2Sp08

Phys298SampleExam2Sp08 - Phys 298 Brown Sample Exam 2...

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Phys 298 Brown Sample Exam 2 (Multiple Choice part) Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If you jumped out of a plane, you would begin speeding up as you fall downward. Eventually, due to air resistance, your velocity would become constant with time. After this occurs, the magnitude of the force of air resistance is A) is slightly smaller than the force of gravity acting on you. B) is greater than the force of gravity acting on you. C) equal to the force of gravity acting on you. D) is much smaller than the force of gravity acting on you. 1) 2) One vector has a length of 23 units, and another a length of 12 units. If the scalar product of these two vectors is 113, what is the angle between the two vectors? A) 66° B) 59° C) 50° D) 41° 2) 3) You carry a 7.0 - kg bag of groceries 1.2 m above the ground at constant velocity across a 2.3 m room. How much work do you do on the bag in the process? A) 82
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This note was uploaded on 05/15/2008 for the course PHYS 298 taught by Professor Morrison during the Spring '08 term at University of Louisville.

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Phys298SampleExam2Sp08 - Phys 298 Brown Sample Exam 2...

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