Quien tiene mas cantidad de movimiento entre una bola de beisbol que se mueven hacia el este 8,50 m/s y una bola de boliche que se mueve hacia el oeste a 7,9 m/s. justifique su respuesta
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Ответ:
(1) KE = 0.5mv² = 0.5(0.1 kg) x (2 m/s)² = 0.2 J
(2) PE = md = (0.1 kg) x (1.5 m) = 0.15 J
(3) ME = KE + PE = 0.2 J + 0.15 J = 0.35 J
Thus, the mechanical energy is 0.35 Joules.