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xd WleyPLUS lus.com/edugen/student/mainfr.uni Question 1-Google Chrome Secure https://edugen.wileyplus.com/edugen/shared/assignment/test/qprint.uni HYS 2110- Section 11 (Spring 2018)/ Hw 02- Problems (S18) Question 1 A partidle starts from the origin at t-O and moves along the positive x axis. A graph of the velocity of the particle as a function of the time is shown in the figure; the v-axis scale is set by vs 4.0 m/s. (a) What is the coordinate of the particle at t-5.0 (b) What is the velocity of the particle at t-5.0 s? (c) What is the acceleration of the partide at t 5.0 s? (d) What is the average velocity of the partide between t-1.0 s and t . 5.0 s? (e) what is the average acceleration of the particle between t-1.0 s and t . 5.0 s? t (s) (a) Number (b) Number (c) Number (d) Number (e)Number Units a Units Units Units Units Answer . 1: he toeronce is-/-2% Answer . 2 trhe tolerance +/-29, Ansvrer . 3: the tolerance is +/-2% Answer . 4: the to,erance is +/-2% 0

Explanation / Answer

(a) displacement=area of v-t graph=12+3=15 m

So x=15 m

(b)velocity at t=5 sec =2m/s

(c)acceleration=slope of v-t graph =-4/2=-2m/s^2

(d)Average velocity=total displacement/total time=(14/4)=3.5 m/s

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