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“Passengers mustn’t fiddle with their mobiles while the aircraft is preparing for landing.”
“The pilot has flown the jet for hours.”
I‐ People were walking the streets because they had no place else to go.
II‐ The earthquake happened as the sun was setting in the Turkish horizon.
III‐ Some buildings collapsed to the ground, burying thousands of potential victims.
IV‐ The task of finding people alive was made easy because there were over 100,000 rescuers.
V‐ Even after the big earthquake had happened, rescuers could still feel smaller vibrations of the Earth’s surface.
According to the text,
I‐ As time went by, the probability of finding people alive was negatively affected.
II‐ Under strict local laws, the rescuers were only allowed to work up to eight hours a day.
III‐ Most of the homes have suffered major damage due to the earthquake’s intensity.
IV‐ There weren’t many victims, as the government had been warned of the quake by seismologists.
V‐ Many people chose to spend the night outdoors because they didn’t feel safe inside their homes.
According to the text,
( ) O trabalho realizado pelo gás é de 3.105 J.
( ) A transformação BC se deu a volume constante, portanto é uma transformação isocórica.
( ) A quantidade de calor trocado no ciclo é igual a zero, pois temos uma transformação cíclica.
( ) O trabalho realizado sobre o gás é de 0,9.105 J.
I‐ A unidade associada com a grandeza intensidade luminosa é candela (cd).
II‐ A unidade associada com a grandeza quantidade de matéria é metro (m).
III‐ A unidade associada com a grandeza intensidade de corrente elétrica é ampère (A).
IV‐ A unidade associada com a grandeza temperatura termodinâmica é Celsius (C).
Com relação ao Sistema Internacional de unidade (SI), está correto o que se afirma em