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The initial speed of a 1.96-kg box traveling up a plane inclined 37° to the horizontal is 3.31 m/s. The coefficient of kinetic friction between the box and the plane is 0.30.
(a) How far along the incline does the box travel before coming to a stop?
(b) What is its speed when it has traveled half the distance found in Part (a)?
A boy is trying to retrieve his toast from a toaster using a metal knife. He touches one of the wires inside, which is connected to 120 V. What is the current through his body
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