Ask Question
10 August, 23:23

Antti entered a 10-kilometer race. His goal is to finish in one hour. He starts off sprinting, and completes the first 2 kilometers of the race at an average speed of 12 kilometers per hour.

To achieve his goal of a one-hour finish time, what average speed must Antti maintain for the last 8 kilometers of the race?

Enter your answer as a number in decimal form, without units.

+3
Answers (1)
  1. 11 August, 02:11
    0
    (12km/1hr) * (1 hr/60 mins) =.2km/min (Hrs cancels out)

    (2km) / (.2 km/m) = 10m per 2km

    (8km/50m) =.16 km/min

    .16km/min * 60min/1hr = 9.6 km/h
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Antti entered a 10-kilometer race. His goal is to finish in one hour. He starts off sprinting, and completes the first 2 kilometers of the ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers