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Member Since: May 05, 2014
Total # Questions Provided: 2
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mai
6
2014
Pergunta de física sobre vetores.
Questão de fisica sobre vetores: A velocidade inicial de um próton é V(vetor)= 4i - 2j + 3k; 4 seg mais tarde passa a ser v(vetor) = -2i - 2j + 5k (em 3m por segundos. Para esses 4s, determine quais...
mai
6
2014
Exercício de fisica sobre Vetores
Um trem com uma velocidade constante de 60km/h se move na direção leste por 40 min. , depois em uma direção que faz um ângulo de 50º a leste com direção norte por 20 min. e, finalmente na direção...
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