Answered: Starting in Albany, you travel a…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter3: Vectors

Section: Chapter Questions

Problem 8PQ: The layout of the town of Popperville is a perfectly square grid, with blocks 100 feet long (Fig....

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QUESTION 1

Starting in Albany, you travel a distance 221 miles in a direction 35.4 degrees north of west. Then, from this new position, you travel another distance 443 miles in a direction 13.1 degrees north of east. In your final position, what is your displacement from Albany?

		340 miles 42.3 degrees North of West
		664 miles 48.5 degrees North of East
		731 miles 66.7 degrees North of West
		664 miles 48.5 degrees North of West

QUESTION 2

You start out by driving 72 miles south in 3 hours and 13 minutes, and then you stop and park for a while. Finally you drive another 29 miles north in 2 hours and 5 minutes. The average velocity for your entire trip was 6.49 miles per hour to the south. How much time did you spend parked?

		1 hours 19 minutes
		2 hours 39 minutes
		0 hours 39 minutes
		6 hours 37 minutes

QUESTION 3

A rocket-powered sled moves along a track, eventually reaching a top speed of 246 m/s to the east. It then begins to slow down, reaching a complete stop after slowing down for 2.10 s. What was the sled s average acceleration and velocity during the slowdown phase?

		123 m/s^2 west, 123 m/s west
		117.1 m/s^2 west, not enough information
		0 m/s^2 0, 123 m/s east
		117.1 m/s^2 east, not enough information

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