La fórmula de energía mecánica es:
Energía Mecánica

Quiz
•
Physics
•
10th Grade
•
Hard
andrea zarate
Used 86+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
El Principio de conservación de la energía afirma que la energía mecánica total que tiene un cuerpo:
va incrementando su valor a medida que pasa el tiempo
va disminuyendo su valor a medida que pasa el tiempo
es constante, mantiene su valor sin variaciones en el mismo
mantiene siempre la misma forma, pero no su valor
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
La fórmula de energía cinética es:
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
La energía potencial gravitatoria que tiene un cuerpo se puede calcular con la fórmula:
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
En el Sistema Internacional de unidades, la energía se mide en:
N
watt
J
kw
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
La chica tiene 60 kg de masa y está a 50 m de altura. La energía potencial que tiene antes de saltar vale:
2940 J
3000 J
29400 J
30000 J
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
El chico, de 75 kg de masa, viaja a 9 m/s. Su energía cinética vale:
6075 J
3037,5 J
337,5 J
303,75 J
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