Question

In a long distance race, the athletes were expected to take four rounds of the track such that the line of finish was same as the track was 200 m.
(i) What is the total distance to be covered by the athletes?
(ii) What is the displacement of the athletes when they touch the finish line?
(iii) Is the motion of the athletes uniform or non?uniform?
(iv) Is the distance moved by and displacement of athletes at the end of the race equal?

Answer 1

$$\begin{gathered} DearStudent, \\ Given, \\ Lengthofthetrack=200m \\ Expectedroundsathletearesupposedtotake=4 \\ \left(a\right)Totaldis\tan cecoveredbyeachathlete=4\times 200=800m. \\ \left(b\right)Asthelineoffinishisthesameasthelineofstart,sodisplacementofeachathlete=0. \\ \left(c\right)Motionoftheathletesisnon-uniformasthespeedoftheathletewillbechangingateachpoint. \\ \left(d\right)Fromparts\left(a\right)and\left(b\right),thedis\tan ceanddisplacementofanathletearenotequalattheendoftherace. \\ Regards \end{gathered}$$