Which alternative below completes the text correctly?
I certainly didn't think the film was boring. (1) I really
enjoyed it!
Which sequence best completes the sentence below?
I don't want to argue_(1) anyone (2)that.
Which is the correct option to complete the text below?
Water shortages don't just affect (1). (2) can also
seriously harm (3) environment. (4)water comes from
rivers and groundwater so every drop (5) use has a direct
effect on the (6) environment.
(Adapted from: http: //www.environment–agency.gov.uk)
Mary saw James, her doctor, two days ago.
James said: "See me tomorrow again."
Which alternative best reports what he said?
Uma partícula, de massa m = 40,0 gramas e carga elétrica q = 8,0 mC,
encontra–se inicialmente fixa na origem do sistema coordenado XOY
(veja figura abaixo) . Na região, existe um campo elétrico uniforme
A partícula é solta e passa a se mover na presença dos
campos elétrico e gravitacional 
No instante em que a
coordenada x =
40,0 cm, a energia cinética da partícula, em joule, é 
