$A$ boy hits a football high up into the air. He runs and catches the football before it hits the ground. Which of the two,the boy or the football,has had greater displacement?

$A$ person standing at $A$ goes to $B$ by following any of the paths $1, 2$ or $3$. Which path can we measure to find the average velocity?

$A$ circular cycle track has a circumference of $314 \ m$ with $AB$ as one of its diameters. $A$ cyclist travels from $A$ to $B$ along the circular path with a velocity of constant magnitude $15.7 \ m s^{-1}$. Find the:
$(a)$ distance moved by the cyclist.
$(b)$ displacement of the cyclist,if $AB$ represents the north-south direction.
$(c)$ the average velocity of the cyclist.

The distance$-$time graph of a body is parallel to the time axis. The body is

$A$ moving body is covering a distance directly proportional to the square of time. The acceleration of the body is

The slope of a velocity-time graph gives: