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3. Consider the figure below. Mass m, is initially moving down the ramp. There is a coefficient of kinetic friction of 0.25 for all surfaces. ma If mA- 5.40 kg, m 8.60 kg, and 0-30.0 a. Calculate the magnitude of the acceleration of block ma? b. Is block ma speeding up, slowing down, or moving at constant speed? Explain c. Calculate the tension in the cord?
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