1.1 Circuitos Elétricos - Operadores Matemáticos - Évio
Authored by Évio Rocha
Physics
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a derivada de x5 ?
5x3
5x4
5x
4x5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual a aceleração em m/s2 de um móvel regido peça equação
s(t) = 5t2 ? s (metros) e t (segundos)
5
10
15
20
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual o valor da área sob a curva f (x) = x2 no intervalo x = 0 e x = 3 ?
2
4
6
9
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual o valor da integral de f (x) = x ?
2x
x2
(x2) / 2
2x2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Seja Z1 = 2 e Z2 = 2i, os valores de (Z1+Z2), (Z1-Z2), (Z1xZ2) e (Z1/Z2) são respectivamente.
(2+2i), (2-2i), (4i) e (i).
(2-2i), (2-i), (2i) e (-1).
(1+2i), (1+1i), (3i) e (i).
(2+2i), (2-2i), (4i) e (-i).
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual o número complexo na forma polar correspondente a Z = 2+ 2i ?
r = e = 45 graus
r = e = 90 graus
r = e = 50 graus
r = e = 35 graus
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual o número complexo correspondente ao número complexo r = 3 e = 90 graus
x = 3 e y = 3
x = 3 e y = 0
x = 0 e y = 3
x = 3 e y = 2
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