Take Earth to be the object of reference. Two people start and end their trips at different locations but have the same displacement vectors in the reference frame. The motion of the two people is one dimensional, the positive direction is to the right. Suppose the initial and final positions of the first person are xinitial=−20m and xfinal=30m. Find the final position of the second person if his initial position is xinitial=20m.

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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.

First, a woman walks 25 m in a direction 49° north of east. Then she walks 23 m heading 15° north of east. Finally, she turns and walks 32 m in a direction 68° south of east. What is the total distance she covers? What is her total displacement?

A student drives 10 km to the north and then 20 km 30 degrees South of the east. By using the component method, what are the magnitude and direction of his displacement from the starting point?

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14.  You are running north at 5.90ms. Let’s call you Jogger A. Jogger B is currently ahead of you and is also jogging north at 1.88ms. From your frame of reference, what is the speed and direction of Jogger B?Assume that north is in the positive direction and south is in the negative direction.   −4.02ms   −7.41ms   −1.29ms   −5.47ms   None of these is correct.

A jet is flying at a speed of 760 mi/hr relative to the air, and in the direction N 30°W. A wind is blowing 48 mi/hr in the direction N 45°E. (If needed, round to two decimal places.) a) Express the velocity of the wind as a vector in component form. b) Express the velocity of the jet relative to the air as a vector in component form. c) Find the true velocity of the jet as a vector in component form. d) Find the true speed of the jet. 35%

A person going for a walk follows the path shown in the figure, where y, is the person's resultant displacement measured from the starting point? = 254 m and 0 = 56.0°. The total trip consists of four straight-line paths. At the end of the walk, what magnitude direction ° counterclockwise from the +x axis Start 100 m End 200 m 30.00 150 m

A speedy turtle walks 17 meters east in 30 minutes. The turtle decides to head toward the water and turns to the south and walks 5 meters which takes turtle 20 minutes. What is the displacement (magnitude and direction) of the turtle from where it started?