# Draw Design Layout References Mailings Review View hes New... 12 A AAa 10. Suppose you are considering three different paths (A, B, and C) between the same two locations. Assume you arrive at the destination in the same amount of time for each path traveled. The path travelled is represented by dashed lines. Path A Path B Path C ャB Along which path would you have to move with the greatest speed to arrive at the destination? 11. Suppose that you run for 1 minute along the three different paths drawn below. Path B Path A Path C A-B Rank the three paths from the lowest speed to the greatest speed. Rank the three paths from the lowest velocity to the greatest velocity. Calculating Average Speed and Average Velocity The average speed of an object is the rate at which it travels distance. The average velocity of an object is the rate at which it changes position. Thus, Average Speed Distance/Time Average Velocity Displacement/Time Speed, being a scalar measurement, is dependent upon the scalar quantity distance. Velocity, being a vector, is dependent upon the vector quantity displacement. 12. Which has s greater average speed, a hawk that travels 300 meters in 30 seconds or a swan that travels 75 meters in 6 seconds? 13·The black mamba is one of the world's most poisonous snakes, and with a maximum speed of 18 km/h (5 m/s), it is also the fastest. Suppose a mamba waiting in a hideout sees prey and begins to chase it, slithering toward it at its maximum speed. After 2.50 seconds, the mamba realizes that the prey can move faster than it can. The snake then turns around and slowly returns to its hideout in 12.0 s. Calculate a. The mamba's average velocity during its return to the hideout. b. The mamba's average velocity for the complete trip c. The mamba's average speed for the complete trip 1821 words ЦХ English (United States) □ Focus

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter1: A Physics Toolkit
Section: Chapter Questions
Problem 54A
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