In reaching her destination, a backpacker walks with an average velocity of 1.30 m/s, due west. This average velocity resultsbecause she hikes for 6.44 km with an average velocity of 2.53 m/s, due west, turns around, and hikes with an average velocityof 0.425 m/s, due east. How far east did she walk?X km2.34Additional MaterialsO eBook

Answered: Image /qna-images/answer/efd2b1b0-ccf6-439a-a7e1-b62ea2812183.jpg

Answered: In reaching her destination, a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 30.0 min at 50.0 km/h, 12.0 min at 60.0 km/h, and 30.0 min at 40.0km/h and spends 55.0 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
A jetliner, traveling northward, is landing with a speed of 57.5 m/s. Once the jet touches down, it has 821 m of runway in which to reduce its speed to 13.8 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the direction of the plane's motion as positive).
A runner, jogging along a straight-line path, starts at a position 60.0 m east of a milestone marker and heads west. After a short time interval he is 15.7 m west of the mile marker. Choose east to be the positive x-direction. What is the runner’s displacement from his starting point? Enter a positive value if the displacement is toward east of the milestone and a negative value if the displacement is toward west of the milestone.
An airplane starts at rest and accelerates at 6.1 m/s2 at an angle of 38° south of west.After 11 s, how far in the westerly direction has the airplane traveled?
You attach a meter stick to an oak tree, such that the top of the meter stick is 2.672.67 meters above the ground. Later, an acorn falls from somewhere higher up in the tree. If the acorn takes 0.1860.186 seconds to pass the length of the meter stick, how high ℎ0h0 above the ground was the acorn before it fell, assuming that the acorn did not run into any branches or leaves on the way down?
A person walks 2.80 km north and then 2.00 km east, all in 2.20 hours. (a) What is the magnitude (in km) and direction (in degrees north of east) of her displacement during the given time? (b) What is the magnitude (in km/h) and direction (in degrees north of east) of her average velocity during the given time?(c) What was her average speed (in km/h) during the same time interval?
A jetliner, traveling northward, is landing with a speed of 60.4 m/s. Once the jet touches down, it has 732 m of runway in which to reduce its speed to 6.88 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the direction of the plane's motion as positive).
A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 15.0 min at 100.0 km/h, 8.0 min at 65.0 km/h, and 30.0 min at 45.0 km/h and spends 45.0 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
A bird watcher meanders through the woods, walking 0.849 km due east, 0.723 km due south, and 4.43 km in a direction 72.8° north of west. The time required for this trip is 1.725 h. Determine the magnitudes of the bird watcher's (a) displacement and (b) average velocity. (a) Number i (b) Number Units Units N E
In reaching her destination, a backpacker walks with an average velocity of 1.48 m/s, due west. This average velocity results, because she hikes for 6.55 km with an average velocity of 2.75 m/s, due west, turns around, and hikes with an average velocity of 0.513 m/s, due east. How far east did she walk?
The initial velocity of a car is 35 m/s due North. Its final velocity is 42 m/s at 15 degrees South of East. If this takes 30 seconds, what is the magnitude and direction of the car's average acceleration?
A bird files straight northeast a distance of 95.0 km for 3.0 h. With the x-axis due east and the y-axis due north, what is the displacement in unit vector notation for the bird? What is the average velocity for the trip?

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