Respuesta:
E mec = 1169 Joules
Explicación:
Datos:
m = 700 g = 0.7 kg
h = 150 m
v = 20 m/s
E mec= ?
Ec = 0.5 mv²
Ec = 0.5 (0.7 kg)(20 m/s)²
Ec= 140 Joules
Ep = mgh
Ep =0.7 kg x 9.8 m/s² x 150 m
Ep= 1029 Joules
E mec = 140 Joules + 1029 Joules
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Respuesta:
E mec = 1169 Joules
Explicación:
Datos:
m = 700 g = 0.7 kg
h = 150 m
v = 20 m/s
E mec= ?
Ec = 0.5 mv²
Ec = 0.5 (0.7 kg)(20 m/s)²
Ec= 140 Joules
Ep = mgh
Ep =0.7 kg x 9.8 m/s² x 150 m
Ep= 1029 Joules
E mec = 140 Joules + 1029 Joules
E mec = 1169 Joules