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400 J of Work Is Needed to Push an Object

question 89

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4.00 J of work is needed to push an object of mass 2.00 kg from point A to point B of the inclined plane as shown in Figure 8-9. The angle of inclination is 30.0° with the horizontal. The height of the plane is h and the coefficient of friction between the object and the plane is 0.400. What is the length of the inclined plane? Use g = 10.0 m/s2.


Definitions:

Pulmonary Semilunar Valve

A valve in the heart located between the right ventricle and the pulmonary artery, preventing backflow of blood into the heart.

Pulmonary Artery Trunk

The main vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.

Dilated Veins

Veins that are enlarged and often visible under the skin due to increased blood pressure or volume.

Ventricular Contraction

The process where the ventricles of the heart contract to pump blood out of the heart.

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