4. Four blocks, with masses m₂ = 5.00 kg, m₂ = 5.40 kg, m3 = 7.70 kg, and m4 = 7.10 kg, are pulled on a horizontal frictionless surface by a 45.00 N force that makes a 20° angle (8) with the horizontal (see figure). What is the magnitude of the tension between the m₁ and m₂ blocks? N m. mi m: mi
4. Four blocks, with masses m₂ = 5.00 kg, m₂ = 5.40 kg, m3 = 7.70 kg, and m4 = 7.10 kg, are pulled on a horizontal frictionless surface by a 45.00 N force that makes a 20° angle (8) with the horizontal (see figure). What is the magnitude of the tension between the m₁ and m₂ blocks? N m. mi m: mi
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Transcribed Image Text:4. Four blocks, with masses m₂ = 5.00 kg, m₂ 5.40 kg, m3 7.70 kg, and m4 7.10 kg, are pulled on a horizontal
frictionless surface by a 45.00 N force that makes a 20° angle (8) with the horizontal (see figure). What is the magnitude
of the tension between the m₁ and m₂ blocks?
N
m.
mi
m:
mi
5. When being unloaded from a moving truck, a 10.5- kilogram suitcase is placed on a flat ramp inclined at 39.0 °. When
released from rest, the suitcase accelerates down the ramp at 1.38 m/s2. What is the coefficient of kinetic friction
between the suitcase and the ramp?
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