Trabajo y energia
Quiz
•
Mathematics, Physics
•
9th - 10th Grade
•
Medium
César De Leon
Used 43+ times
FREE Resource
10 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
2.
MULTIPLE CHOICE QUESTION
5 mins • 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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En cuál de los siguientes ángulos se realiza un trabajo negativo.
45
90
195
270
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
5 mins • 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
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un carro de 150 kg viaja a velocidad de 25 m/s. Si el auto reduce su velocidad hasta 8.3 m/s. El trabajo que realizo fue de _____.
-41708.2 J
-20316.7
20316.7
41708.2 J
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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