A 2.50 kg box is pulled by a constant force of 16 N that is exerted at an angle 36.9° above the horizontal. The box has moved a distance of 3.00 m along a horizontal surface whose coefficient of kinetic friction is 0.21. a) What is the total work done on the box? b) What is the speed of the box at 3.00 m if it is initially at rest?

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Chapter1: Units, Trigonometry. And Vectors
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A 2.50 kg box is pulled by a constant force of 16 N that is exerted at an angle 36.9° above the
horizontal. The box has moved a distance of 3.00 m along a horizontal surface whose coefficient
of kinetic friction is 0.21.
a) What is the total work done on the box?
b) What is the speed of the box at 3.00 m if it is initially at rest?
Transcribed Image Text:A 2.50 kg box is pulled by a constant force of 16 N that is exerted at an angle 36.9° above the horizontal. The box has moved a distance of 3.00 m along a horizontal surface whose coefficient of kinetic friction is 0.21. a) What is the total work done on the box? b) What is the speed of the box at 3.00 m if it is initially at rest?
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