A box slides on a horizontal, frictionless surface. A horizontal force P is applied to the box as it moves from x = −4 m to x = 0. The force P varies with position according to the graph on the right. (a)What is the change in kinetic energy of the box? (b)If the box has a mass of 150 kg and is at rest when it is at x = −4 meters, what is the speed of the box when it passes through the origin (x=0)?
A box slides on a horizontal, frictionless surface. A horizontal force P is applied to the box as it moves from x = −4 m to x = 0. The force P varies with position according to the graph on the right. (a)What is the change in kinetic energy of the box? (b)If the box has a mass of 150 kg and is at rest when it is at x = −4 meters, what is the speed of the box when it passes through the origin (x=0)?
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A box slides on a horizontal, frictionless surface. A horizontal force P is applied to the box as it moves from x = −4 m to x = 0. The force P varies with position according to the graph on the right.
(a)What is the change in kinetic energy of the box?
(b)If the box has a mass of 150 kg and is at rest when it is at x = −4 meters, what is the speed of the box when it passes through the origin (x=0)?
Transcribed Image Text:P(N)
20
15
10
5
x (m)
-4
-3
-2
-1
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