EXERCÍCIO 21 FÍSICA I - DURVAL 2025
Quiz
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Other
•
2nd Grade
•
Practice Problem
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Hard
luiz rocha
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Duas cargas de 2,0x10⁻⁶ C e 3,0x10⁻⁶ C estão separadas por 0,5 m. Qual a força entre elas?
21,6 N
216 N
2,16 N
2160 N
0,216 N
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A constante eletrostática no vácuo é:
9,0x10¹⁰
9,0x10⁹
9,0x10¹¹
9,0x10¹²
8,99x10¹¹
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a distância entre duas cargas é duplicada, a força elétrica:
Diminui 4 vezes
Diminui 2 vezes
Aumenta 2 vezes
Aumenta 4 vezes
Permanece
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma carga de +5 μC exerce sobre outra -2 μC a 0,3 m uma força:
Repulsiva 1 N
Atração 1 N
Atração 10 N
Repulsiva 10 N
Atração 100 N
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se a força entre duas cargas é de 36 N e a distância é triplicada, a nova força será:
36 N
12 N
4 N
3 N
1 N
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Duas cargas iguais a 1 m sofrem força 9 N. Se duplicarmos as cargas, a força será:
9 N
18 N
27 N
36 N
81 N
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na Lei de Coulomb, a força depende:
Apenas distância
Apenas cargas
Apenas meio
Carga, distância e meio
Nenhuma
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