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.
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Using work and energy to calculate speed.
Part A
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.
2=
Η ΑΣΦ
?
m/s
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Part B
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.
Express your answer using two significant figures.
Ο ΑΣΦ
?
m/s
V=