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Examen Final de Física

Authored by Sabrina Ochoa

Physics

8th Grade

Used 2+ times

Examen Final de Física
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19 questions

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1.

OPEN ENDED QUESTION

15 mins • 1 pt

Resuelve: x2 + 7x + 12 = 0

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2.

OPEN ENDED QUESTION

15 mins • 1 pt

Factoriza y resuelve: 3x2 - 2x - 1 = 0

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OFF

3.

OPEN ENDED QUESTION

15 mins • 1 pt

Halla las raíces de: x2 = 5x

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OFF

4.

OPEN ENDED QUESTION

15 mins • 1 pt

El área de un rectángulo es x2 + 8x + 15 y el largo es x + 3. ¿Cuál es el ancho?

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OFF

5.

OPEN ENDED QUESTION

15 mins • 1 pt

Una barra de 2 m se calienta de 20 °C a 70 °C. Si α = 1.1 × 10−5, ¿cuánto se alarga?

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OFF

6.

OPEN ENDED QUESTION

15 mins • 1 pt

Una pieza de 1.5 m se acorta 1.8 mm al bajar 60 °C. ¿Cuál es su coeficiente de dilatación?

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OFF

7.

DRAW QUESTION

15 mins • 1 pt

Una varilla se alarga 2.5 mm con ΔT = 50 °C. Su longitud era 2.1 m. Calcula α

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