Computation. Three objects are connected as in the figure with mA=7 kg, mB=6.43 kg, and mc-11.4 kg. The strings and frictionless pulleys have negligible masses, and the coefficients of friction between the block and the table are μg=0.67 and μ-0.151. If the system is released from rest, find the magnitude of its acceleration. [Hint: As part of your solution, check to see if block B experiences static or kinetic friction.] mB f MA a = m/s² mo Record your numerical answer below, assuming three significant figures.

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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**Computation:**

Three objects are connected as in the figure with \( m_A = 7 \) kg, \( m_B = 6.43 \) kg, and \( m_C = 11.4 \) kg. The strings and frictionless pulleys have negligible masses, and the coefficients of friction between the block and the table are \( \mu_s = 0.67 \) and \( \mu_k = 0.151 \). If the system is released from rest, find the magnitude of its acceleration.

[Hint: As part of your solution, check to see if block \( B \) experiences static or kinetic friction.]

\[
a = \, _____\, m/s^2
\]

Record your numerical answer below, assuming three significant figures.

**Diagram Explanation:**

The diagram displays a table with three masses connected by strings. Mass \( m_B \) is on the table; mass \( m_A \) is hanging on the left side, and mass \( m_C \) is hanging on the right side, both connected by strings that run over frictionless pulleys. The setup demonstrates the forces acting on the masses and how they are meant to influence each other's motion through the pulleys and strings.
Transcribed Image Text:**Computation:** Three objects are connected as in the figure with \( m_A = 7 \) kg, \( m_B = 6.43 \) kg, and \( m_C = 11.4 \) kg. The strings and frictionless pulleys have negligible masses, and the coefficients of friction between the block and the table are \( \mu_s = 0.67 \) and \( \mu_k = 0.151 \). If the system is released from rest, find the magnitude of its acceleration. [Hint: As part of your solution, check to see if block \( B \) experiences static or kinetic friction.] \[ a = \, _____\, m/s^2 \] Record your numerical answer below, assuming three significant figures. **Diagram Explanation:** The diagram displays a table with three masses connected by strings. Mass \( m_B \) is on the table; mass \( m_A \) is hanging on the left side, and mass \( m_C \) is hanging on the right side, both connected by strings that run over frictionless pulleys. The setup demonstrates the forces acting on the masses and how they are meant to influence each other's motion through the pulleys and strings.
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