A spring with spring constant k ! 200 N/m is suspended
Chapter , Problem 130(choose chapter or problem)
A spring with spring constant k ! 200 N/m is suspended vertically with its upper end fixed to the ceiling and its lower end at position y ! 0. A block of weight 20 N is attached to the lower end, held still for a moment, and then released. What are (a) the kinetic energy K, (b) the change (from the initial value) in the gravitational potential energy "Ug, and (c) the change in the elastic potential energy "Ue of the springblock system when the block is at y ! %5.0 cm? What are (d) K, (e) "Ug, and (f) "Ue when y ! %10 cm, (g) K, (h) "Ug, and (i) "Ue when y ! %15 cm, and (j) K, (k) "Ug, and (l) "Ue when y ! %20 cm?
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