Trabajo, energia y potencia
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Leyka Carrasco
Used 549+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Calcula la energía cinética de un vehículo de 10 kg de masa que circula a una velocidad de 120 km/h.
2545 J
5544 J
6985 J
9854 J
Tags
NGSS.HS-PS3-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1J= 1____.
m/s
N
N/m
Nm
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un escalador con una masa de 60 kg invierte 30s en escalar una pared de 10m de altura. El trabajo que realiza es de ___ y lo realiza con una potencia de ___.
5880 J y 19.6 W
-5880 J y 19.6 W
5880 J y 176400 W
-5880 J y 176400 W
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En cuál de los siguientes ángulos se realiza un trabajo negativo.
45
90
195
270
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Se mueve un bloque de 30.0 kg una distancia de 45m. Si bloque tiene un coeficiente de fisión de .35. Su trabajo neto será de ____.
0 J
13230 J
26460 J
9261 J
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La energía cinética está asociada a ____.
Configuración
Eficiencia
Movimiento
Posición
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-4
NGSS.MS-PS3-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si un resorte realiza 900 J de energía potencial elástica y tiene una constante de elasticidad de 731N/m. ¿Cuánta fuerza se le aplica?
42.42 N
446.0 N
1146.5 N
1456.5 N
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