Two blocks, A and B (with mass 45 kg and 125 kg, respectively), are connected by a string, as shown in the figure below. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is u = 0.23. Determine the change in the kinetic energy of block A as it moves from © to O, a distance of 25 m up the incline (and block B drops downward a distance of 25 m) if the system starts from rest.

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Two blocks, A and B (with mass 45 kg and 125 kg, respectively), are connected by a string, as shown in the figure below. The pulley is
frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is µ, = 0.23. Determine the change in the
kinetic energy of block A as it moves from © to O, a distance of 25 m up the incline (and block B drops downward a distance of 25 m) if the
system starts from rest.
B
37°
Transcribed Image Text:Two blocks, A and B (with mass 45 kg and 125 kg, respectively), are connected by a string, as shown in the figure below. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is µ, = 0.23. Determine the change in the kinetic energy of block A as it moves from © to O, a distance of 25 m up the incline (and block B drops downward a distance of 25 m) if the system starts from rest. B 37°
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