¿Cuánto sé de energía mecánica?

Passage
•
Science
•
10th Grade
•
Medium
Liliana Zalazar
Used 4+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
marcá la/las ecuación/es correcta para el cálculo de la energía cinética
Ec=m.g.h
Ec=m.v.h
Ec=Em-Ep
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿De qué variables depende la energía cinética?
masa, velocidad y gravedad
energia mecánica, velocidad y altura
gravedad y masa
masa y velocidad
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿De qué variables depende la energía potencial gravitatoria?
masa, velocidad y tiempo
gravedad, velocidad y altura
masa, gravedad y altura
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula para calcular la energía potencial gravitatoria?
E = mgh
E = 1/2 mv^2
E = mgh + 1/2 mv^2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué unidad se utiliza para medir la energía cinética?
Joules
Newton
Watt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se relaciona la energía cinética y la energía potencial gravitatoria en un sistema cerrado?
Permanecen constantes
Se transforman una en la otra
Dependen de la fricción
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
¿Qué magnitudes permanecen constantes durante las transformaciones de energía en el planeta tierra?
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