Respuesta:
3739.125 Joules
Explicación:
E mec=?
m= 65 kg
h= 3 m
v= 7.5 m/s
Ep = mgh
Ep= 65 kg x 9,8 m/s² x 3 m
EP= 1911 Joules
Ec = 0.5 mv²
Ec= 0.5 (65 kg)(7,5 m/s)²
Ec= 1828.125 Joules
E mecánica = 1911 + 1828.125 = 3739.125 Joules
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Respuesta:
3739.125 Joules
Explicación:
E mec=?
m= 65 kg
h= 3 m
v= 7.5 m/s
Ep = mgh
Ep= 65 kg x 9,8 m/s² x 3 m
EP= 1911 Joules
Ec = 0.5 mv²
Ec= 0.5 (65 kg)(7,5 m/s)²
Ec= 1828.125 Joules
E mecánica = 1911 + 1828.125 = 3739.125 Joules