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Q1853793 Física
As três leis de Kepler podem ser aplicadas para quaisquer sistemas em que corpos gravitam em torno de um corpo central, como é o caso de planetas em torno de uma estrela. Adotando a lei dos períodos de Kepler, pode-se afirmar corretamente que a relação entre o período de translação da Terra em torno do Sol (TT) e o período de translação de Mercúrio em torno do Sol (TM) é dado por:
Observação: o valor do raio médio da órbita de Mercúrio em torno do Sol é 40% do valor do raio médio da órbita da Terra em torno do Sol. 
Alternativas
Q1853791 Física
No alto de um prédio foram abandonadas, a 10 m de altura em relação ao solo, simultaneamente e a partir do repouso, duas esferas homogêneas, A e B, com valores de massas, respectivamente, iguais a 4 kg e 8 kg. Desprezando a resistência do ar e adotando a intensidade da aceleração da gravidade local igual a 10 m/s2 , pode-se afirmar corretamente que: 
Alternativas
Q1853787 Física
Em um local onde o módulo da aceleração da gravidade é igual a 10 m/s², uma pessoa submerge um bloco maciço de massa igual a 3 kg totalmente em água, enquanto aplica uma força na face superior do bloco. Nessa situação a força de empuxo a que o bloco está sujeito é igual a 50 N. Sem a ação da força aplicada pela pessoa, apenas uma fração do bloco está abaixo da superfície da água. A alternativa que indica corretamente a fração do bloco que está acima da superfície da água é  
Alternativas
Q1853784 Física
A região do Sol, conhecida como fotosfera, é responsável pela radiação emitida e possui temperatura igual a 5800 K. O espectro de radiação emitido pela fotosfera pode ser considerado como o de um corpo negro e o comprimento de onda do ponto de maior intensidade desse espectro é igual a 500 nm. Um objeto com temperatura igual a 500 K, considerado também um corpo negro quanto ao espectro de radiação emitido, possui o comprimento de onda do ponto de maior intensidade de emissão do seu espectro, em nm, igual a ____ . 
Alternativas
Q1853773 Matemática
Seja a equação polinomial x3 + bx2 + cx + d = 0. Se (3 + i) e 2 são raízes dessa equação, então o valor de b + c + d é 
Alternativas
Q1853766 Matemática
O valor numérico de sen ( -1650º ) + cos (35π/3) é
Alternativas
Q1853761 Matemática
A soma das raízes da equação 2|x|2 − 5|x| = 3 é um valor 
Alternativas
Q1853759 Matemática
Seja O o centro da circunferência que passa por A, B, C e D. Se CÔD = 120° e se Imagem associada para resolução da questão passa por O, então Imagem associada para resolução da questão = _____. 
Imagem associada para resolução da questão
Alternativas
Q1853756 Inglês
Read the text and answer question.

Job Search Tips

1. You should tell all your friends that you are looking for a job.
2. You’d better not quit your present job before you find a new one.
3. You shoudn’t tell your boss that you are looking for a new job.
4. You ought to apply for several jobs at once.
5. You shoudn’t immediately ask an interviewer about job benefits.
6. You should always give the interviewer accurate salary information.

From the book Grammar Express Intermediate.
The word “accurate” in bold type means:  
Alternativas
Q1853755 Inglês
Read the text and answer question.

Job Search Tips

1. You should tell all your friends that you are looking for a job.
2. You’d better not quit your present job before you find a new one.
3. You shoudn’t tell your boss that you are looking for a new job.
4. You ought to apply for several jobs at once.
5. You shoudn’t immediately ask an interviewer about job benefits.
6. You should always give the interviewer accurate salary information.

From the book Grammar Express Intermediate.
According to the tips:  
Alternativas
Q1853754 Inglês
Read the text and answer question.

World Knowledge

    France is the most popular country to visit. It has about 76 million visitors a year.
    China has the greatest number of stores in the world. There are over 19 million stores.
    Lake Baikal in Russia is the deepest lake on earth. It’s 1,637 meters deep.
   Tokyo Disneyland is the world’s most popular amusement park. It has over 25 million visitors a year.
   The longest nonstop flight is from New York to Singapore. It’s 18 hours long.
   The busiest airport in the world is London Heathrow, with over 55 million passengers a year.
   Canada has the longest coastline of any country on earth. It’s 243,792 kilometers long.
   Easter Island is the world’s most isolated island. It’s about 3,700 kilometers from the South American continent.
From the book Interchange
In the alternatives below, there are superlative forms of adjectives from the text. The superlative form of good, bad and big are:
Alternativas
Q1853753 Inglês
Read the text and answer question.

World Knowledge

    France is the most popular country to visit. It has about 76 million visitors a year.
    China has the greatest number of stores in the world. There are over 19 million stores.
    Lake Baikal in Russia is the deepest lake on earth. It’s 1,637 meters deep.
   Tokyo Disneyland is the world’s most popular amusement park. It has over 25 million visitors a year.
   The longest nonstop flight is from New York to Singapore. It’s 18 hours long.
   The busiest airport in the world is London Heathrow, with over 55 million passengers a year.
   Canada has the longest coastline of any country on earth. It’s 243,792 kilometers long.
   Easter Island is the world’s most isolated island. It’s about 3,700 kilometers from the South American continent.
From the book Interchange
The correct information from the text is: 
Alternativas
Q1853752 Inglês

Read the following sentences.


I- You and your brother know how to dance, don’t you?

II- The dog and the cat fight a lot, don’t they?

III- Don’t be late, do you?

IV- Let’s dance, won’t you?


    Choose the alternative that contains grammatically correct sentences. 

Alternativas
Q1853751 Inglês
Read the text and answer question.

How many kisses?

    You must remember this: you were going in for a double European - style greeting kiss with a friend who was expecting only a single cheek peck. It’s an awkward question that constantly creates trouble for traveleres: How many times should you pucker up? Here’s a handy guide:
    One: A single buss is acceptable in the U.S., but it’s mostly a big-city, phenomenon. Women will give a brief hug, while men shake hands. In the Middle East, one kiss on the lips is a normal greeting, but not between men and women.
    Two: Double up in Spain, Austria, Sweden, Hungary and, more recently, in Britain.
    Three or more: Triple kisses will work in Egypt, Russia, Switzerland and the Netherlands. Business in Belgium? Three kisses are a sign of respect for those at least 10 years older than you. Pack your lip balm in France; many people still insist on four kisses.
    Keep your lips to yourself: Germans rarely greet with a kiss. In Chile, opt for a handshake. Skip the kiss and bow or shake hands instead when visiting Japan, China and Korea.
Time, March 15, 2004, p.63.
According to the text, one kiss on the lips is a normal greeting in:
Alternativas
Q1853750 Inglês
Read the text and answer question.

How many kisses?

    You must remember this: you were going in for a double European - style greeting kiss with a friend who was expecting only a single cheek peck. It’s an awkward question that constantly creates trouble for traveleres: How many times should you pucker up? Here’s a handy guide:
    One: A single buss is acceptable in the U.S., but it’s mostly a big-city, phenomenon. Women will give a brief hug, while men shake hands. In the Middle East, one kiss on the lips is a normal greeting, but not between men and women.
    Two: Double up in Spain, Austria, Sweden, Hungary and, more recently, in Britain.
    Three or more: Triple kisses will work in Egypt, Russia, Switzerland and the Netherlands. Business in Belgium? Three kisses are a sign of respect for those at least 10 years older than you. Pack your lip balm in France; many people still insist on four kisses.
    Keep your lips to yourself: Germans rarely greet with a kiss. In Chile, opt for a handshake. Skip the kiss and bow or shake hands instead when visiting Japan, China and Korea.
Time, March 15, 2004, p.63.
The text informs that kissing a friend’s face:  
Alternativas
Q1853749 Inglês
Read the text and answer question.

How many kisses?

    You must remember this: you were going in for a double European - style greeting kiss with a friend who was expecting only a single cheek peck. It’s an awkward question that constantly creates trouble for traveleres: How many times should you pucker up? Here’s a handy guide:
    One: A single buss is acceptable in the U.S., but it’s mostly a big-city, phenomenon. Women will give a brief hug, while men shake hands. In the Middle East, one kiss on the lips is a normal greeting, but not between men and women.
    Two: Double up in Spain, Austria, Sweden, Hungary and, more recently, in Britain.
    Three or more: Triple kisses will work in Egypt, Russia, Switzerland and the Netherlands. Business in Belgium? Three kisses are a sign of respect for those at least 10 years older than you. Pack your lip balm in France; many people still insist on four kisses.
    Keep your lips to yourself: Germans rarely greet with a kiss. In Chile, opt for a handshake. Skip the kiss and bow or shake hands instead when visiting Japan, China and Korea.
Time, March 15, 2004, p.63.
According to the text, choose the alternative that is NOT correct.
Alternativas
Q1853748 Inglês

Complete the following sentence:


My mom has eaten too ______ pieces of cake and drunk too ______ orange juice.

Alternativas
Q1853747 Inglês
Complete the following sentences with the correct prepositions.
    I’m not in the mood ____ pizza tonight.
    I was just thinking _____ our last trip.
    Carrying a pet into the cabin of an airplane is safer than putting it ____ the cargo hold.  
Alternativas
Q1853746 Inglês

We can work it out

The Beatles

“Life is very short, and there’s no time for fussing and fighting, my friend.” 


The word “fussing” in bold type means: 

Alternativas
Q1853745 Inglês
Read the sentences below.
I wasn’t looking for this but now you’re in my way your stare was holding ripped jeans skin was showing.”
The correct verb tense in bold is: 
Alternativas
Respostas
1061: A
1062: D
1063: B
1064: B
1065: A
1066: B
1067: D
1068: A
1069: A
1070: B
1071: B
1072: B
1073: A
1074: A
1075: C
1076: B
1077: B
1078: A
1079: A
1080: B