19:00:09 From Prof. Alexandre Mendes to Everyone:
	boa noite
19:01:39 From Luis Felipe Lameiras to Everyone:
	Sem áudio
19:12:24 From Prof. Alexandre Mendes to Everyone:
	r = 0,0001 g
19:21:38 From Sérgio Lima to Everyone:
	boa noite
19:26:45 From Adiz Ferraz to Everyone:
	Professor o Aluno Pedro informou que está em viagem, vai entrar mais tarde na aula.
19:27:28 From Prof. Alexandre Mendes to Everyone:
	al.mendes@gmail.com
20:02:30 From Prof. Alexandre Mendes to Everyone:
	1 kg + 0,5 mg
20:02:38 From Prof. Alexandre Mendes to Everyone:
	1 kg - 0,5 mg
20:02:48 From Prof. Alexandre Mendes to Everyone:
	0,0005 g
20:07:15 From Prof. Alexandre Mendes to Everyone:
	classe M2
20:07:30 From Prof. Alexandre Mendes to Everyone:
	20 kg ------3000 mg
20:07:43 From Prof. Alexandre Mendes to Everyone:
	50 kg -----------7500 mg
20:07:52 From Prof. Alexandre Mendes to Everyone:
	100 kg -----------X
20:08:51 From Prof. Alexandre Mendes to Everyone:
	(100 -20)/(100-50) = (X - 3000)/(X - 7500)
20:09:25 From Prof. Alexandre Mendes to Everyone:
	80/50 = (X - 3000)/(X - 7500)
20:10:16 From Prof. Alexandre Mendes to Everyone:
	1,6 (X - 7500) = X - 3000
20:10:40 From Prof. Alexandre Mendes to Everyone:
	1,6X - 12000 = X - 3000
20:10:59 From Prof. Alexandre Mendes to Everyone:
	0,6X = 9000
20:11:18 From Prof. Alexandre Mendes to Everyone:
	X = 9000/0,6 = 15.000 mg
21:10:25 From Prof. Alexandre Mendes to Everyone:
	1 - 0,002 = 0,998 mg