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Q3929668
Química
Assinale a opção que apresenta corretamente um exemplo de
reação característica da função orgânica citada.
Q3929667
Química
Assinale a opção correta acerca da classificação de substâncias e
sistemas.
Q3929666
Química
Assinale a opção correta quanto às transformações.
Q3929665
Física
Se um gás ideal ocupa um volume de 12 L a 300 K e 1 atm,
então, se a temperatura for aumentada para 600 K mantendo-se a
pressão constante, o volume desse gás será
Q3929664
Química
Um pequeno diodo emissor de luz —
light-emitting diode (LED) — pode ser aceso com uma pilha
eletroquímica construída em laboratório, utilizando-se eletrodos
metálicos e soluções contendo íons metálicos. Considere uma
montagem que emprega eletrodos de zinco metálico e cobre
metálico, mergulhados, respectivamente, em soluções de Zn²⁺ e
Cu²⁺, conectadas por uma ponte salina. Esse sistema gera corrente
elétrica a partir de uma reação de oxirredução espontânea. Com o
tempo, observa-se uma diminuição na intensidade do brilho do
LED. Considere que, nessa pilha, ocorra a seguinte reação global.
Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
Acerca desse contexto hipotético, assinale a opção correta.
Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
Acerca desse contexto hipotético, assinale a opção correta.
Q3929663
Matemática
Assinale a opção que corresponde à equação da reta que é
perpendicular à reta de equação y = 3x + 1 no ponto P(-1, 4).
Q3929662
Matemática
Um prisma reto tem como base um triângulo equilátero de lado
10 cm e altura 15√3 cm. O volume deste prisma é igual a
Q3929661
Matemática
Em um terreno plano, uma pipa que está voando está amarrada
em um cordão que está preso ao chão. Se o cordão, que está
esticado, tiver 30 metros de comprimento e formar um ângulo de
60° com o chão, a altura da pipa em relação ao chão, em metros,
será igual a
Q3929660
Matemática
Uma loja vende um produto cujo preço original sofreu
dois aumentos consecutivos de 10% em datas diferentes.
Na tentativa de vender todo o estoque deste produto, em uma
data posterior às datas dos aumentos citados, a loja decidiu
vender o produto por 80% do preço reajustado.
A partir da situação hipotética apresentada, assinale a opção correta.
A partir da situação hipotética apresentada, assinale a opção correta.
Q3929659
Matemática
A média aritmética M de um conjunto numérico c com n elementos é M = 12. Sabe-se que 32 é um elemento de C. Ao
calcularmos a média aritmética m dos elementos do conjunto C - {32}, encontramos m = 10. Nessa situação, a soma dos
elementos do conjunto C será igual a
Q3929658
Matemática
Se na primeira fase de um torneio de futebol com 8 times cada
time jogar apenas uma única vez com os demais times, o número
de jogos que acontecerão na primeira fase do torneio será igual a
Q3929657
Matemática
Para n ≥ 1 uma sequência an é chamada de progressão aritmética
de segunda ordem quando a sequência bn = an +1 − an é uma
progressão aritmética. Com base nessas informações, julgue os
itens seguintes.
I A sequência an = n2 , n ≥ 1 é uma progressão aritmética.
II A sequência an =n2 , n ≥ 1 é uma progressão aritmética de segunda ordem.
III A sequência an =n3 , n ≥ 1 é uma progressão aritmética de segunda ordem.
Assinale a opção correta.
I A sequência an = n2 , n ≥ 1 é uma progressão aritmética.
II A sequência an =n2 , n ≥ 1 é uma progressão aritmética de segunda ordem.
III A sequência an =n3 , n ≥ 1 é uma progressão aritmética de segunda ordem.
Assinale a opção correta.
Q3929656
Matemática
Considere o número complexo z = √2/2 + √2/2i. Então, se w = z3,
tem-se que
Q3929655
Matemática
Em uma prova de arremesso de peso, um atleta, em sua
melhor tentativa, alcançou a marca de 18 metros. A altura do
peso durante o melhor lançamento, em metros, foi modelada pela
função quadrática
f(x) = - 1/10 x2 + bx + 9/5
para 0 ≤ x ≤ 18, em que x é a distância horizontal, em metros, percorrida pelo peso durante o lançamento.
Com base nessa situação, é correto concluir que a altura máxima que o peso atingiu durante o melhor lançamento, em metros, foi igual a
f(x) = - 1/10 x2 + bx + 9/5
para 0 ≤ x ≤ 18, em que x é a distância horizontal, em metros, percorrida pelo peso durante o lançamento.
Com base nessa situação, é correto concluir que a altura máxima que o peso atingiu durante o melhor lançamento, em metros, foi igual a
Q3929654
Inglês
Texto associado
Text 1A3-II
The argument for the existence of life in different places in
the universe can lead to endless and aimless (but fascinating)
speculation. Why assume that aliens so far advanced
technologically are still bound by the chains of aging bodies?
As we see our own technology advancing, and our minds
becoming ever more entangled with digital devices, we can
envision a kind of transhuman future whereby our mind’s
essence, what we (loosely) identify with our inner self and
memories, becomes immaterial, soullike, tethered to reality
through information alone. In his novel 2001: A Space Odyssey,
Arthur C. Clarke speculated that aliens would have broken away
from carbon-based and robotic machine structures so “that the
mind would eventually free itself from matter (…) and if there is
anything beyond that, its name could only be God.”
This is where astrotheology begins, as we envision aliens
as the techno-version of godlike creatures, with the obvious
subtext that one day we are going to get there too. So, not only is
their technology magic to us, but their very existence becomes
equivalent to a supernatural presence — omniscient,
omnipresent, and undetectable by our feeble human senses and
machines. Such aliens are indistinguishable from gods inhabiting
the heavenly realm, being as elusive as countless deities have
been throughout human history. They exist only in that intangible
dimension of faith.
Marcelo Gleiser. The dawn of a mindful universe: a manifesto for humanity’s future.
HarperOne, San Francisco (CA) (adapted).
The main objective of text 1A3-II is to
Q3929653
Inglês
Texto associado
Text 1A3-II
The argument for the existence of life in different places in
the universe can lead to endless and aimless (but fascinating)
speculation. Why assume that aliens so far advanced
technologically are still bound by the chains of aging bodies?
As we see our own technology advancing, and our minds
becoming ever more entangled with digital devices, we can
envision a kind of transhuman future whereby our mind’s
essence, what we (loosely) identify with our inner self and
memories, becomes immaterial, soullike, tethered to reality
through information alone. In his novel 2001: A Space Odyssey,
Arthur C. Clarke speculated that aliens would have broken away
from carbon-based and robotic machine structures so “that the
mind would eventually free itself from matter (…) and if there is
anything beyond that, its name could only be God.”
This is where astrotheology begins, as we envision aliens
as the techno-version of godlike creatures, with the obvious
subtext that one day we are going to get there too. So, not only is
their technology magic to us, but their very existence becomes
equivalent to a supernatural presence — omniscient,
omnipresent, and undetectable by our feeble human senses and
machines. Such aliens are indistinguishable from gods inhabiting
the heavenly realm, being as elusive as countless deities have
been throughout human history. They exist only in that intangible
dimension of faith.
Marcelo Gleiser. The dawn of a mindful universe: a manifesto for humanity’s future.
HarperOne, San Francisco (CA) (adapted).
The word “envision”, in “as we envision aliens” (first sentence of
the second paragraph of text 1A3-II), has a similar meaning to
Q3929652
Inglês
Texto associado
Text 1A3-II
The argument for the existence of life in different places in
the universe can lead to endless and aimless (but fascinating)
speculation. Why assume that aliens so far advanced
technologically are still bound by the chains of aging bodies?
As we see our own technology advancing, and our minds
becoming ever more entangled with digital devices, we can
envision a kind of transhuman future whereby our mind’s
essence, what we (loosely) identify with our inner self and
memories, becomes immaterial, soullike, tethered to reality
through information alone. In his novel 2001: A Space Odyssey,
Arthur C. Clarke speculated that aliens would have broken away
from carbon-based and robotic machine structures so “that the
mind would eventually free itself from matter (…) and if there is
anything beyond that, its name could only be God.”
This is where astrotheology begins, as we envision aliens
as the techno-version of godlike creatures, with the obvious
subtext that one day we are going to get there too. So, not only is
their technology magic to us, but their very existence becomes
equivalent to a supernatural presence — omniscient,
omnipresent, and undetectable by our feeble human senses and
machines. Such aliens are indistinguishable from gods inhabiting
the heavenly realm, being as elusive as countless deities have
been throughout human history. They exist only in that intangible
dimension of faith.
Marcelo Gleiser. The dawn of a mindful universe: a manifesto for humanity’s future.
HarperOne, San Francisco (CA) (adapted).
With the question “Why assume that aliens so far advanced
technologically are still bound by the chains of aging bodies?”
(second sentence of text 1A3-II), the author is
Q3929651
Inglês
Texto associado
Text 1A3-II
The argument for the existence of life in different places in
the universe can lead to endless and aimless (but fascinating)
speculation. Why assume that aliens so far advanced
technologically are still bound by the chains of aging bodies?
As we see our own technology advancing, and our minds
becoming ever more entangled with digital devices, we can
envision a kind of transhuman future whereby our mind’s
essence, what we (loosely) identify with our inner self and
memories, becomes immaterial, soullike, tethered to reality
through information alone. In his novel 2001: A Space Odyssey,
Arthur C. Clarke speculated that aliens would have broken away
from carbon-based and robotic machine structures so “that the
mind would eventually free itself from matter (…) and if there is
anything beyond that, its name could only be God.”
This is where astrotheology begins, as we envision aliens
as the techno-version of godlike creatures, with the obvious
subtext that one day we are going to get there too. So, not only is
their technology magic to us, but their very existence becomes
equivalent to a supernatural presence — omniscient,
omnipresent, and undetectable by our feeble human senses and
machines. Such aliens are indistinguishable from gods inhabiting
the heavenly realm, being as elusive as countless deities have
been throughout human history. They exist only in that intangible
dimension of faith.
Marcelo Gleiser. The dawn of a mindful universe: a manifesto for humanity’s future.
HarperOne, San Francisco (CA) (adapted).
In text 1A3-II, the author
Q3929650
Inglês
Texto associado
Text 1A3-II
The argument for the existence of life in different places in
the universe can lead to endless and aimless (but fascinating)
speculation. Why assume that aliens so far advanced
technologically are still bound by the chains of aging bodies?
As we see our own technology advancing, and our minds
becoming ever more entangled with digital devices, we can
envision a kind of transhuman future whereby our mind’s
essence, what we (loosely) identify with our inner self and
memories, becomes immaterial, soullike, tethered to reality
through information alone. In his novel 2001: A Space Odyssey,
Arthur C. Clarke speculated that aliens would have broken away
from carbon-based and robotic machine structures so “that the
mind would eventually free itself from matter (…) and if there is
anything beyond that, its name could only be God.”
This is where astrotheology begins, as we envision aliens
as the techno-version of godlike creatures, with the obvious
subtext that one day we are going to get there too. So, not only is
their technology magic to us, but their very existence becomes
equivalent to a supernatural presence — omniscient,
omnipresent, and undetectable by our feeble human senses and
machines. Such aliens are indistinguishable from gods inhabiting
the heavenly realm, being as elusive as countless deities have
been throughout human history. They exist only in that intangible
dimension of faith.
Marcelo Gleiser. The dawn of a mindful universe: a manifesto for humanity’s future.
HarperOne, San Francisco (CA) (adapted).
Maintaining the original meaning of text 1A3-II, the fragment
“but their very existence becomes equivalent to a supernatural
presence” (second sentence of the second paragraph) can be
correctly replaced with
Q3929649
Inglês
Texto associado
Text 1A3-I
Art and technology have long inspired each other, but
recent advancements are driving their fusion like never before.
From AI-generated art and immersive experiences to new
ownership models, the creative landscape is evolving in ways we
could barely imagine a few years ago. This fusion of creativity
and innovation isn’t just adding to the world of art. It’s
redefining it, making us rethink what art can be and who has the
tools to create it. One such innovation is interactive art.
With interactive art, artists can break down traditional
boundaries between the creator and the viewer. Participatory art
involves the audience directly, allowing them to influence the
outcome of the artwork itself. Artists are using technologies like
motion tracking, sensors, and facial recognition to create
installations that change based on viewer movement, expression,
or even mood.
This level of interactivity invites viewers to move from
passive observation to active participation, making them a part of
the artwork’s story. This trend reflects a cultural shift toward
collaboration and personalization, where audiences expect to be
involved in the creative experience. Participatory art installations
are not only transforming gallery experiences but also allowing
viewers to experience art as an unfolding story that changes with
each interaction.
Petra Ivanigova. The Future of Art and Technology:
Key Trends Shaping the Creative Landscape. Internet: <https://medium.com> (adapted).
In the last sentence of text 1A3-I, the author
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