In a 100 m race, the winner takes 10s to reach the finishing point. The average speed of the winner is
A. 5ms-1
B. 20ms-1
C. 40ms-1
D. 10 ms-1
Answer:A
In a 100 m race, the winner takes 10s to reach the finishing point. The average speed of the winner is
A. 5ms-1 B. 20ms-1 C. 40ms-1 D. 10 ms-1