Energia 4
M=80km
Eci=0j
Epi=4.704j Em=Ec+Ep
Emi=4.704j Em=0j+4.704j
Em=4.704
Ep=m×g×h
Ep=80kg×9.8m/s×6m
Ep=784 ×6m
Ep=4.704j
H=0m
M=80kg
ECb=4.704j
EPb=0j Em=Ec+Ep
EMb=4.704j Em=4.704j+oj
Em=4.704j
Ec=1/2×m×v2
4.704=1/2×80kg×v2 _/----1176=v2
4.704=40×v2 34.29=v2
4.704÷40=v2
1176=v
Ec=1/2×m×v
Ec=1/2×80kg×34.29m/s2
Ec=40×1176 m/s
Ec=4704j
H=6m
M=80kg
ECf=0j Em=Ec+Ep
EPf=4.704 j Em=0j+4.704j
EMf=4.704j Em=4.704j
Ep=m×g×h
Ep=80kg×9.8m/s×6m
Ep=784×6m
Ep=4.704j



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