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QUESTIONS: 1. Given the following data, plot a distance vs. time graph for the given situation. Position vs. Time A student 1m away from a motion detector walks away from the motion detector for 3 seconds with a speed of 2m/s,. The student then stops, ponders the value of this lab for the next2 seconds. The student, remembering they left the motion detector on, proceeds to walk back towards the detector at a speed of 3m/s for2 Time ( seconds. Draw this graph on the area provided. 2. What is the distance from the sensor at t 4 seconds? What is the slope at t value mean? 3. 6 seconds? What does this

#2 & 3. How do I determine the distance at t=4 seconds and the slope at t=6? show work please.

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Answer #1

The slope of distance time graph gives the speed of an object if the motion is uniform .

Explanation for question 2 and 3 is shown below.

di stonce om senson at t: 4 seeend s O﹂크sec stud ent moves to ith constt . velocit 2mjs and then stops fos 2Secondg So in the h se thee is no move ment o student o distance in o-4 sec twill be same as the distance mevedin o sec So, te di stence wilt be Gm osition -tme 飞a elocita sut at second s tudent wtrs bace owandsthe detector So, e con sheu the stope ai shown belo ana fina lecits at t -i the angle of slobe at t 6 see after the 5 and BCtd,-d! time Ls)-→ 5 s -4s A c So , we have トゥoved slope for a 3wnト。giti on time anabh gives velocits at that instant ue Cam alo

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