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1.1 Circuitos Elétricos - Operadores Matemáticos - Évio

Authored by Évio Rocha

Physics

Professional Development

Used 3+ times

1.1 Circuitos Elétricos - Operadores Matemáticos - Évio
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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 =  222\sqrt{2}  e  θ\theta  = 45 graus

r =  2\sqrt{2}   e  θ\theta  = 90 graus

r =  3\sqrt{3}  e  θ\theta  = 50 graus

r =  222\sqrt{2}  e  θ\theta  = 35 graus

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual o número complexo correspondente ao número complexo r = 3 e  θ\theta  = 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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