Respuesta:
-10 J
Explicación:
Hola.
Wfr = d * Fr
Wfr = d * (m*g*uk*cos(180))
Wfr = 5 (1 * 10 * 0,2 * -1)
Wfr = -10 J
Saludos
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Respuesta:
-10 J
Explicación:
Hola.
Wfr = d * Fr
Wfr = d * (m*g*uk*cos(180))
Wfr = 5 (1 * 10 * 0,2 * -1)
Wfr = -10 J
Saludos