1. Find the location of the center of mass of a nonuniform rod 0.44 m in length

Question

1. Find the location of the center of mass of a nonuniform rod 0.44 m in length if its density varies linearly from 0.92 g/cm at one end to 4.80 g/cm at the other end. Specify the center-of-mass location relative to the less-massive end of the rod. (Assume the rod lies along the +x-direction with the less-massive end of the rod at the origin.)

2. A 8.6-kg box is being lifted by means of a light rope that is threaded through a single, light, frictionless pulley that is attached to the ceiling.

b) If the box is lifted, at constant acceleration, from rest on the floor to a height of 1.5 m above the floor in 0.42 s, what average power is delivered by the person pulling on the rope?

Explanation / Answer

3600.

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