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Energía mecánica 3º

Quiz by Enrique vásquez

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Q 1/5
Score 0
La ecuación para Energía Potencial Gravitatoria es:
29
Epg = m*h/g
Epg = m*g*v
Epg = m*g*h
Epg = 1/2*m*V2

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5 questions

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Q1
La ecuación para Energía Potencial Gravitatoria es:
Epg = m*h/g
Epg = m*g*v
Epg = m*g*h
Epg = 1/2*m*V2
30s
Q2
La Energía Mecánica se calcula como:
EM = Ec + Epg + Epe
EM = Ec - Epg - Epe
EM = 1/2*m*V2
EM = mg -mv
30s
Q3
Una maceta de 0,5 Kg está en un balcón a 10 m de altura respecto del suelo. ¿Qué tipo de energía tiene y cuánto vale?
Energía cinética =25 J
Energía mecánica = 0 J
Energía potencial= 49 J
Energía potencial= 74 J
30s
Q4
Una masa se desplaza con v = 72 km/h. ¿Cuál será su energía cinética, si m = 4 kg?
800 Joules
400 Joules
600 Joules
200 Joules
60s
Q5
Evalúe la energía mecánica del bloque de 4 kg cuando pasa por la posición mostrada
88 Joules
99 Joules
66 Joules
45 Joules
60s

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