Question : A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 s for every circular lap. The average velocity and average speed for each circular lap respectively is
(A) 0,0
(B) 0, 10ms^{-1}
(C) 10ms^{-1} , 10ms^{-1}
(D) 10ms^{-1} , 0
Answer : option (B)
Solution :
