Two Masses Are Connected by a String Which Passes Over

question 25

Multiple Choice

Two masses are connected by a string which passes over a pulley with negligible mass and friction.One mass hangs vertically and one mass slides on a 30.0 degrees incline.The inclined surface has a coefficient of kinetic friction of 0.200.The vertically hanging mass is 6.00 kg and the mass on the incline is 4.00 kg.The acceleration of the 4.00 kg mass is (the initial velocity is zero)

• A) 7.16 m/s².
• B) 5.84 m/s².
• C) 2.98 m/s².
• D) 1.53 m/s².
• E) 0.00 m/s².

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