A cyclist starts from the centreπ of a circular park of radius 1 km, reaches the edge π of the park, then cycles along the circumference and returns to the point π as shown in figure. If the round trip takes 10 min, the net displacement and average speed of the cyclist (in meter and kilometer per hour) are

Question : A cyclist starts from the centreπ of a circular park of radius 1 km, reaches the edge π of the park, then cycles along the circumference and returns to the point π as shown in figure. If the round trip takes 10 min, the net displacement and average speed of the cyclist (in meter and kilometer per hour) are