Question

The graph given shows the motion of four runners P,Q,R and S in a 5 km marathon.Who ran the fastest?​

Answer 1

Answer:

P

Explanation:

Specifically, the motion of P is the fastest.

And from the above graph we can conclude that P takes 2.5h to complete 5km

while Q takes 4.5h to complete 5km

=> R takes 6h to complete 5km

=> S takes 6.5h to complete 5km