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**Solution**: A 12-pack of Omni-Cola (mass 4.30 kg) is initially at rest on a horizontal floor. It is then pushed in a straight line for 1.20 m
by a trained dog who exerts a horizontal force with magnitude 36.0 N.
You may want to review (Pages 177 - 182).
For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Using work and energy to calculate speed.Use the work-energy theorem to find the final speed of the 12-pack if there is no friction between the 12-pack and the floor.Use the work-energy theorem to find the final speed of the 12-pack if the coefficient of kinetic friction between the 12-pack and the floor is 0.30.

###### Problem

A

12-pack of

Omni-Cola (mass

4.30 kg) is initially at rest on a horizontal floor. It is then pushed in a straight line for

1.20 m
by a trained dog who exerts a horizontal force with magnitude

36.0 N.
You may want to review (Pages 177 - 182).

For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Using work and energy to calculate speed.

Use the work-energy theorem to find the final speed of the 12-pack if there is no friction between the 12-pack and the floor.

Use the work-energy theorem to find the final speed of the 12-pack if the coefficient of kinetic friction between the 12-pack and the floor is 0.30.