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Un cuerpo que pesa 80 N cae libremente, cuando se encuentra a 9 metros de altura su velocidad es 5 m/s. determina su energía cinética y su e
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Explanation:
Taking g = 10m/s^-2
v = 5 m/s
weight = mg = 80 N
Mass = 8 kg
K.E. = 1 /2 * 8 * 5* 5
Kinetic Energy = 100 J
P. E. = 8 * 10 * 9
Potential Energy = 720 J