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Practice problems from chapter one physics 180A fall semester.
Typology: Exercises
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Representing Motion Problems
Which of the following motions could be described by the motion diagram of the figure? A. A ball bouncing off a wall. B. A cyclist braking to a stop. C. A hockey puck sliding across smooth ice. D. A sprinter starting a race. If the dots were numbered in reverse order, which one will be true?
Sue is on the straight-line path between her home and the cinema. Now, Sue walks home. What is Sue’s displacement if a) Her home is the origin? b) The cinema is the origin?
What is Sue’s position in each case?
A bird flies 3.0 km due west and then 2.0 km due north. Another bird flies 2.0 km due west and 3.0 km due north. What is the angle between the net displacement vectors for the two birds?
The images of trees in the figure mark the height of the tree in the successive years. a) What is the tree’s speed of growth, in m/s, from t=1yr to t=3yr?