- A box is being pulled up a 40° incline by a 7.0 kg block suspended from a frictionless, massless pulley. The box does not start at the very bottom of the incline. The block is suspended 2.0 m above the ground. The coefficient of kinetic friction between the box and the incline is 0.40. The block is released from rest. At the moment the block hits the ground, the box is traveling at 2.0 m/s up the incline. What is the mass of the box?
- A box is being pulled up a 40° incline by a 7.0 kg block suspended from a frictionless, massless pulley. The box does not start at the very bottom of the incline. The block is suspended 2.0 m above the ground. The coefficient of kinetic friction between the box and the incline is 0.40. The block is released from rest. At the moment the block hits the ground, the box is traveling at 2.0 m/s up the incline. What is the mass of the box?
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Transcribed Image Text:1. A box is being pulled up a 40° incline by a 7.0 kg block suspended from a frictionless, massless pulley. The
box does not start at the very bottom of the incline. The block is suspended 2.0 m above the ground. The
coefficient of kinetic friction between the box and the incline is 0.40. The block is released from rest. At the
moment the block hits the ground, the box is traveling at 2.0 m/s up the incline. What is the mass of the
box?
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