Vídeo: Usain Bolt é exemplo em aula de física

Atualizado em 08 de agosto de 2016

Recordista mundial dos 100 e 200 m rasos, o jamaicano Usain Bolt é, indiscutivelmente, o homem mais rápido do mundo hoje. Até aí, nenhuma novidade. Mas qual foi a velocidade média do atleta na prova em que quebrou a sua própria marca, correndo os 100 m em 9,58s, no Mundial de Atletismo, em Berlim, 2009?

A Khan Academy resolveu explicar com uma vídeo aula de física. Eles apresentam algumas fórmulas e calculam, mostrando o passo a passo da conta. A conclusão é que o velocista fez a prova com uma velocidade média de 37,4 km/h.

Assista ao vídeo e aprenda um pouco de física com o ‘Raio’ jamaicano:

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