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PHYS 101 Chapter 3.5-3.6: Projectile Motion.pdf

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School
Simon Fraser University
Department
Physics
Course
PHYS 101
Professor
Andrew Debenedictis

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Document Summary

Considering motion after it has been projected and before it lands or is caught. If an object is projected at an upward angle, the analysis is similar except there is now vy0: vy0 = 0 at the peak, highest point on its path, vx remains constant. The magnitude of the initial velocity in the x direction is equal to the magnitude of the final velocity in the x direction. Conceptual example: a child sits upright in a wagon that is moving to the right at constant speed. She extends her hand and throws an apple straight upward while the wagon continues to travel forward at constant speed. Shooting a monkey in a tree: as long as you aim right at the monkey and shoot at the same instant as when the monkey drops from the tree, you will hit the monkey.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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Related Questions

The figure shows three graphs, A, B, C, which collectively describe the motion of an object in one dimension. The horizontal axis of each graph is time (symbol t). The vertical axes of the graphs are different. For one graph the vertical axis is position (symbol x), for another, it is the velocity (symbol v), and for another, it is acceleration (symbol a). Where the axes across is the point of zero for both time and the quantity corresponding to the vertical axis. Part A: For which sequence of graphs is the vertical coordinate position, velocity, and acceleration, respectively? (e.g., If you think graph Y is position versus time, graph X is velocity versus time, and graph Z is acceleration versus time, then your answer is Y, X, Z.). Multiple choice: 1)C, A, B 2)A, C, B 3)C, B, A 4)B, C, A 5)B, A, C 6)A, B, C. Part (b) Which one of the following situations can be most accurately represented by the graph, consistent with your answer to part (a)? (1) A car driving in the negative x-direction suddenly shifts into reverse and, with tires spinning, slows to a momentary stop before beginning to move in the position x-direction. (2)A car driving in the position x-direction slams on its brakes and comes to rest. (3) A rock is dropped from the rest from the top of a tall building. Assume air drag can be neglected, in which case its speed increases by the same amount each second. Take upward to be the position x-direction. (4) A sprinter runs a 100-meter dash and she runs in the negative x-direction. Starting from rest, she has a constant acceleration for the first 50 meters, then a constant speed for the remaining 50. Multiple choices: 1)4, 2)3, 3)2, 4)1.