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 line of start. Suppose the length of the track was $200\, m$.

$(a)$ What is the total distance to be covered by the athletes ?

$(b)$ What is the displacement of the athletes when they touch the finish line ?

$(c)$ Is the motion of the athletes uniform or nonuniform ?

$(d)$ Is the displacement of an athlete and the distance moved by him at the end of the race equal ?

The nelocitu$-$time graph of a body is as shown. What tupe of motion does the body posses ?

The speed-time graphs of two cars are represented by $P$ and $Q$ as shown below

$(a)$ Find the difference in the distance travelled by the two cars (in $m$ ) after $4\, s$.

$(b)$ Do they ever move with the same speed ? If so when ?

$(c)$ What type of motion car $P$ and $Q$ are undergoing ?

A body is moving, with a velocity of $10 \,m s ^{-1}$. If the motion is uniform, what will be its velocity after $10 \,s$ ?

State the meaning of uniform circular motion.