1. Loan pushes a box of mass 11.5 kg is pushed across a rough surface (Hg = 0.25) for a distance of4.8 m by a constant force of 18 N. If the object reaches a speed of 3.6 m/s by the end of the push,what was its speed at the beginning of the push? Include an FBD2. Loyer applies a force of 12.8 N acts on a 4.5-kg object, pushing it horizontally across a surfacewhere the coefficient of kinetic friction is 0.19. Include an FBD(a) Determine the frictional force acting on the object.(b) Determine the object's acceleration.

1. Loan pushes a box of mass 11.5 kg is pushed across a rough surface (H = 0.25) for a distance of 4.8 m by a constant force of 18 N. If the object reaches a speed of 3.6 m/s by the end of the push, what was its speed at the beginning of the push? Include an FBD %3D

1. Loan pushes a box of mass 11.5 kg is pushed across a rough surface (H = 0.25) for a distance of 4.8 m by a constant force of 18 N. If the object reaches a speed of 3.6 m/s by the end of the push, what was its speed at the beginning of the push? Include an FBD %3D

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: The Laws Of Motion

Section: Chapter Questions

Problem 5.61P: Review. A 3.00-kg block starts from rest at the top of a 30.0 incline and slides a distance of 2.00...

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Concept explainers

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.

Question

1. Loan pushes a box of mass 11.5 kg is pushed across a rough surface (Hg = 0.25) for a distance of
4.8 m by a constant force of 18 N. If the object reaches a speed of 3.6 m/s by the end of the push,
what was its speed at the beginning of the push? Include an FBD
2. Loyer applies a force of 12.8 N acts on a 4.5-kg object, pushing it horizontally across a surface
where the coefficient of kinetic friction is 0.19. Include an FBD
(a) Determine the frictional force acting on the object.
(b) Determine the object's acceleration.

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