1. Initially, as a box of mass 1.0kg moves with velocoty 2.0m/s to the right, a force of magnitude 20. N starts pulling it to the right. The box slides on a rough floor with uK= 0.25. (a) What is the acceleration of the box? (b) What is its velocity after traveling 3.0 m?

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter4: The Laws Of Motion
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APPLICATION ON NEWTON'S LAW AND FREE BODY DIAGRAM

1. Initially, as a box of mass 1.0kg moves with velocoty 2.0m/s to the right, a force of magnitude 20. N starts pulling it to the right. The box slides on a rough floor with uK= 0.25. (a) What is the acceleration of the box? (b) What is its velocity after traveling 3.0 m?

2. A very light taut rope is attached to a box with mass mA=3.0 kg that rests on a tabletop with us = 0.25 and uk = 0.20. The rope passes over a frictionless, massless pulley and another box with mass mB = 1.0kg is attached to the other end of the rope. What is the acceleration of the blocks?

 

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