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A 100-kg piano rolls down a 20° incline.A man tries to keep it from accelerating, and manages to keep its acceleration to 1.2 m/s2.If the piano rolls 5 m, what is the net work done on it by all the forces acting on it?
Sickle-cell Anemia
A blood disorder that gets its name from the shape of the red blood cells in those who have it.
Blood Cells
Specialized cells that circulate in the bloodstream, including red blood cells, white blood cells, and platelets, each serving distinct functions in the body such as oxygen transport, immune defense, and blood clotting.
Down Syndrome
A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by a distinctive facial appearance, intellectual disability, and developmental delays.
Tay-Sachs Disease
A rare, inherited disorder that destroys nerve cells in the brain and spinal cord, typically noticeable by around six months of age.
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