B1 A cyclist starts from the centre O of a circular park of

Last updated: 6/8/2023

B1 A cyclist starts from the centre O of a circular park of radius 1 km reaches the edge P of the park then cycles along the circumference and returns to the centre along QO as shown in the figure If the round trip takes ten minutes the net displacement and average speed of the cyclist in metre and kilometre per hour is R 4 0 a 0 1 c 21 4 4 2 d 0 21 4 8 83