Two blocks, A and B (with mass 50.0 kg and 1.00 × 10² kg, respectively), are connected by a string, as shown in Figure P5.86. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is µz = 0.250. Determine the change in the kinetic energy of block A as it moves from © to ©, a distance of 20.0 m up the incline (and block B drops downward a distance of 20.0 m) if the system starts from rest. B 1.00 x 102 kg 50.0 kg 37.0° Figure P5.86

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Two blocks, A and B (with mass 50.0 kg and 1.00 × 10² kg,
respectively), are connected by a string, as shown in Figure
P5.86. The pulley is frictionless and of negligible mass. The
coefficient of kinetic friction between block A and the incline
is µz = 0.250. Determine the change in the kinetic energy of
block A as it moves from © to ©, a distance of 20.0 m up the
incline (and block B drops downward a distance of 20.0 m) if
the system starts from rest.
B 1.00 x 102 kg
50.0 kg
37.0°
Figure P5.86
Transcribed Image Text:Two blocks, A and B (with mass 50.0 kg and 1.00 × 10² kg, respectively), are connected by a string, as shown in Figure P5.86. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is µz = 0.250. Determine the change in the kinetic energy of block A as it moves from © to ©, a distance of 20.0 m up the incline (and block B drops downward a distance of 20.0 m) if the system starts from rest. B 1.00 x 102 kg 50.0 kg 37.0° Figure P5.86
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