Question

In a marathon race, one runner is moving at 5.0 m/s passes a second runner moving at 4.5. What is the distance between the runners 10 minutes after the one runner has passed the other?

5m?

Answer 1

Sorry. 300 m

Answer 2

d1 = V1*T = 5m/s * 10min*60s/min=3000 m.

d2 = V2*T = 4.5 * 10min*60s/min = 2700 m

d1-d2 = 3000 - 2700=300 m. Between them.

Or d=(5-4.5)m/s * 10min*60s./min=300 m.
Between them.

Answer 3

Thank you