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Unformatted text preview: kveton (ajk643) hw3 morrison (60620) 1 This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points All angles are measured in a counter-clockwise direction from the positive x-axis. A hiker makes four straight-line walks ( A , B , C , and D ) in random directions and lengths starting at position (41 km , 41 km) , listed below and shown below in the plot. A 25 km at 313 B 27 km at 89 C 12 km at 56 Select the vector diagram which best repre- sents this hike. 1. A B C Scale: 10 km = 2. A B C Scale: 10 km = 3. A B C Scale: 10 km = 4. A B C Scale: 10 km = kveton (ajk643) hw3 morrison (60620) 2 5. A B C Scale: 10 km = 6. A B C Scale: 10 km = 002 (part 1 of 2) 10.0 points A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 14 m/s. The cliff is 36 m above the waters surface, as shown. The acceleration of gravity is 9 . 81 m / s 2 . 14 m / s 36m Note: Figure not drawn to scale a) How long does it take for the stone to fall to the water? Answer in units of s. 003 (part 2 of 2) 10.0 points b) With what speed does the stone strike the water? Answer in units of m / s....
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This note was uploaded on 11/10/2009 for the course PHY 309K taught by Professor Fischler during the Fall '08 term at University of Texas at Austin.
- Fall '08