(a). The box leaves position x - 0 with speed v 0 . The box is slowed...
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Question:
(a). The box leaves position x - 0 with speed v 0 . The box is slowed by a constant frictional force until 4 acmes to rest at position x - x 1 .
Find F f the magnitude of the average frictional force that Act on the box (Since you don't include it in your answer) Express the frictional force In terms of m, w, and x 1 .
(b). Atter the box comes to rest at position x 1 , a person starts pushing the box giving it a speed v 1 .
When the box reaches position x 2 (where x 2 > x 1 how much work Wp has the person done on the box? Assume that the box reaches x 2 after the person Ms accelerated it from rest to sped v 1 . Express the work in terms of m, w, x 1 , x 2 , and v 1 .
Related Book For
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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