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Unformatted text preview: MI Practice Test One September 14 th & 15 th 1. At some instant, you are traveling in your car and your velocity is <30,0, 20> m/s. What is your speed and what is your direction (unit vector)? 2. The initial position of a mouse in a maze is <0.2,0,0.6>m. Its displacement (i.e. change in position ) during a time interval of 1 minute is <-.5,0,0.3>m. What is its new position? 3. You view the motion of a hockey puck in a video and mark its location every 0.2 s. The resulting motion map for three different hockey pucks is shown below. The hockey puck in each case is moving to the right. In which case (A, B, or C) is there no interaction between the hockey puck and its surroundings? (Or rather, no net interaction .) If there is no interaction in all or none of the cases, then state so. Explain your reasoning. 4. The longest edge of a sail on a sailboat extends from the top of the mast (the origin) to a location <-2.0,-4.0,1.5>m. a. What is the length of the longest edge of the sail (i.e. the length of the hypotenuse of the sail)?...
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This note was uploaded on 05/02/2011 for the course GE 208K taught by Professor Dutt during the Spring '11 term at University of Texas at Austin.
- Spring '11