CUESTIONARIO LA MATERIA BLOQUE 1

Quiz
•
Science
•
8th Grade
•
Hard
Xochilt Hernández
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Calcular la energia cinetica de un cuerpo cuya masa es de 40g y lleva una velocidad de 70km/h
5820J
75.58J
2910J
1455J
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un joven lanza hacia arriba un balón de voleibol de 0.4kg con una rapidez de 30m/s.
a)Calcular el valor inicial de la energía cinética
180J
17J
55.5J
333J
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
b)Calcular la energía potencial si la pelota de 2 kg, sabiendo que sube 15m
294.3 J
2.94 J
30j
294.3 N
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
b)Calcular trabajo que se realiza al mover 5 metros una pelota 2 kg, sobre el suelo
10 J
10 N
98.1N
98.1 J
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
d)A qué altura un objeto de 300 gramos logra una Energía potencial de 58.86 J
0.2J
0.2 m
20 J
20 m
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
d) Cuál es la energía cinética de un ciclista de 80kg de mas y lleva una velocidad de 30m/s
1200 J
36.000 m
36 000 J
1200N
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
d) qué velocidad lleva un vehículo con una masa de 1.2 ton y alcanza una energìa cinètica de 1215 000 J
1423.02m/s
45 m/s
80m/s
1695.8 m/s
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