Why is the motion of an athlete moving along the circular path an accelerated motion ?

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It is because the direction of speed changes continuously.

Similar Questions

A car is moving on a straight road with uniform acceleration. The following table gives the speed of the car at various instants of time.

Time $(s)$ $0$ $10$ $20$ $30$ $40$ $50$
Speed $\left(m s^{-1}\right)$ $5$ $10$ $15$ $20$ $25$ $30$

$(i)$ Draw the speed$-$time graph representing the above set of observations.

$(ii)$ Find the acceleration of the car.

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

$(a)$ Write differences between speed and velocity.

$(b)$ The speed of a moving object is $x m s ^{-1}$. Its velocity is $y m s ^{-1}$. What is the similarity observed ?

The following table shows the positive of Renu, while she is going to her school. Draw distance$-$time graph for her motion.

Time Distance from her home $( k m )$
$06: 45\, am$ $0$
$07: 00 \,am$ $8$
$01: 30\, pm$ $8$
$01: 45\, pm$ $0$

A circular cycle track has a circumference of $314\, m$ with $A B$ as one of its diameter. $A$ 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 $A B$ represents north$-$south direction.

$(c)$ the average velocity of the cyclist.