Valancia Practice one :Rosberg And Mercedes on top

Pos	No	Driver	Team	Time/Retired	Gap	Laps
1	4	Nico Rosberg	Mercedes GP	1:41.175		16
2	2	Lewis Hamilton	McLaren-Mercedes	1:41.339	0.164	19
3	1	Jenson Button	McLaren-Mercedes	1:41.383	0.208	21
4	11	Robert Kubica	Renault	1:41.715	0.540	20
5	7	Felipe Massa	Ferrari	1:42.182	1.007	21
6	5	Sebastian Vettel	RBR-Renault	1:42.216	1.041	24
7	6	Mark Webber	RBR-Renault	1:42.275	1.100	17
8	3	Michael Schumacher	Mercedes GP	1:42.312	1.137	18
9	8	Fernando Alonso	Ferrari	1:42.421	1.246	22
10	9	Rubens Barrichello	Williams-Cosworth	1:42.463	1.288	21
11	10	Nico Hulkenberg	Williams-Cosworth	1:42.707	1.532	23
12	12	Vitaly Petrov	Renault	1:42.962	1.787	17
13	16	Sebastien Buemi	STR-Ferrari	1:43.310	2.135	23
14	15	Vitantonio Liuzzi	Force India-Mercedes	1:43.380	2.205	19
15	22	Pedro de la Rosa	BMW Sauber-Ferrari	1:43.397	2.222	21
16	14	Paul di Resta	Force India-Mercedes	1:43.437	2.262	18
17	23	Kamui Kobayashi	BMW Sauber-Ferrari	1:43.729	2.554	21
18	17	Jaime Alguersuari	STR-Ferrari	1:44.183	3.008	21
19	19	Heikki Kovalainen	Lotus-Cosworth	1:44.491	3.316	21
20	24	Timo Glock	Virgin-Cosworth	1:45.653	4.478	23
21	21	Bruno Senna	HRT-Cosworth	1:47.123	5.948	17
22	18	Jarno Trulli	Lotus-Cosworth	1:47.285	6.110	18
23	20	Christian Klien	HRT-Cosworth	1:47.343	6.168	14
24	25	Lucas di Grassi	Virgin-Cosworth	1:47.356	6.181	24