Question

In 2009 Usain Bolt ran 100 m in a record time of 9.58 s. If he continues to run
at this constant rate then how many meters will he run in one day?

Answer 1

Verified answer

One day - 86 400 s

We can use the proportion method:

100 m - 9,58 s

x m - 86 400 s

[tex]x = \frac{86400 * 100}{9,58} = \frac{8640000}{9,58} = 901878,9[/tex]

Answer: Usain Bolt will run 901878,9 m.

Answer 2

Odpowiedź:

S = 100m

t= 9,58 s

V = S/t ≈ 10,44 m/s

t = 24 h = 86 400s

S = Vt = 902 016  m ≈ 902 km

Szczegółowe wyjaśnienie: