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You are riding in an elevator on the way to18th floor in your dormitory. The elevator is accelerating upward witha=1.90m/s2. Beside you is the box containing your new computer; boxand contents have a total mass of 28.0kg. While the elevator isaccelerating upward, you push horizontally on the box to slide itat constant speed toward the elevator door. If the coefficient of kinetic friction between the box and elevator flooris µk=0.32.

What is the magnitude of force must you apply?

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