Two boxes have masses m, = 12.0 kg and m2 = 15.0 kg and are connected by a light string that passes over a frictionless pulley. There is kinetic friction between the table and mass m1. When the masses are released, m, accelerates to the right at + 2.40 m/s, and m2 accelerates down at- 2.40 m/s. What is the magnitude of the force of kinetic friction between m, and the table? my my {Consider Newton's Laws and the forces/components (+/-) on each mass} O 90.5 N O 69.1 N O 47.6 N 0 82.2 N O 77.3 N

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Two boxes have masses m, = 12.0 kg and m2 = 15.0 kg and are connected by a light string that passes over a frictionless pulley.
There is kinetic friction between the table and mass m1. When the masses are released, m, accelerates to the right at + 2.40 m/s²,
and m2 accelerates down at- 2.40 m/s. What is the magnitude of the force of kinetic friction between m, and the table?
my
my
{Consider Newton's Laws and the forces/components (+/-) on each mass}
O 90.5 N
O 69.1 N
O 47.6 N
O 82.2 N
O 77.3 N
K
B
comm and
Transcribed Image Text:Two boxes have masses m, = 12.0 kg and m2 = 15.0 kg and are connected by a light string that passes over a frictionless pulley. There is kinetic friction between the table and mass m1. When the masses are released, m, accelerates to the right at + 2.40 m/s², and m2 accelerates down at- 2.40 m/s. What is the magnitude of the force of kinetic friction between m, and the table? my my {Consider Newton's Laws and the forces/components (+/-) on each mass} O 90.5 N O 69.1 N O 47.6 N O 82.2 N O 77.3 N K B comm and
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