A cyclist starts from the centre O of acircular park of radius 1 km, reaches the adge P of the park , then cycles along the circumference , and returns to the centre along QO as shown in Fig . 4.21 . Ifthe round trip takes 10 min , what is the (a)net displacement. (b) average velocity , and (c ) average speed of the cyclist ?

A cyclist starts from the centre O of acircular park of radius 1 km, r

1.	A cyclist starts from the centre O of acircular park of radius 1 km, reaches the adge P of the park , then cycles along the circumference , and returns to the centre along QO as shown in Fig . 4.21 . Ifthe round trip takes 10 min , what is the (a)net displacement. (b) average velocity , and (c ) average speed of the cyclist ?
Answer» ANSWER :(a)O ; (B)O ; (C ) `21.4kmh^(-1)`