Veamos:
275 J = 1/2 m V²
25,0 kg m/s = m V: dividimos (omito unidades)
275 / 25 = 11 = V / 2; de modo que V = 22 m/s
m = 25 / 22 = 1,37 kg
Saludos Herminio
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Veamos:
275 J = 1/2 m V²
25,0 kg m/s = m V: dividimos (omito unidades)
275 / 25 = 11 = V / 2; de modo que V = 22 m/s
m = 25 / 22 = 1,37 kg
Saludos Herminio