2. A child pulls on a sled using a rope angled at 25° from the horizontal. The sled has a mass of 8 kg. Assume the snow is frictionless. What is the tension in the rope if the sled is accelerating at 0.28 m/s²?

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**2.** A child pulls on a sled using a rope angled at 25° from the horizontal. The sled has a mass of 8 kg. Assume the snow is frictionless. What is the tension in the rope if the sled is accelerating at 0.28 m/s²?

**3.** The child pulls the sled up a hill. The hill is inclined at an angle of 10°. The rope is now parallel with the surface of the hill. What is the tension in the rope now, if the sled is still accelerating at the same pace?

**4.** Still going up the hill and pulling with a tension of 25 N, the sled encounters a rough patch with a coefficient of kinetic friction of μₖ = 0.1. What is the acceleration of the sled?
Transcribed Image Text:**2.** A child pulls on a sled using a rope angled at 25° from the horizontal. The sled has a mass of 8 kg. Assume the snow is frictionless. What is the tension in the rope if the sled is accelerating at 0.28 m/s²? **3.** The child pulls the sled up a hill. The hill is inclined at an angle of 10°. The rope is now parallel with the surface of the hill. What is the tension in the rope now, if the sled is still accelerating at the same pace? **4.** Still going up the hill and pulling with a tension of 25 N, the sled encounters a rough patch with a coefficient of kinetic friction of μₖ = 0.1. What is the acceleration of the sled?
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