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# HW 2 - HW 2 R e be cca P a tton P Y211,se ction001,S umme...

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5/22/13 HW 2 www.webassign.net/web/Student/Assignment-Responses/last?dep=5883771 1/6 Current Score : – / 21 Due : Wednesday, May 22 2013 11:59 PM EDT 1. –/1 points SerCP9 2.P.001. The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub you toe in the dark, estimate the time it takes the nerve impulse to travel to your brain. (Assume that you are approximately 1.9 m tall and that the nerve impulse travels at uniform speed.) s 2. –/2 points SerCP9 2.P.003.soln. A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 35.0 min at 50.0 km/h, 15.0 min at 55.0 km/h, and 35.0 min at 60.0 km/h and spends 30.0 min eating lunch and buying gas. (a) Determine the average speed for the trip. km/h (b) Determine the distance between the initial and final cities along the route. km 3. –/5 points SerCP9 2.P.006. A graph of position versus time for a certain particle moving along the x ­axis is shown in the figure below. Find the average velocity in the following time intervals.

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HW 2 - HW 2 R e be cca P a tton P Y211,se ction001,S umme...

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