A child's pogo stick (Fig. P5.81) stores energy in a spring (k 2.50 X 104 N/m). At position A (x = -0.100 m), the spring %3D compression is a maximum and the child is momentarily at rest. At position ® (x = 0), the spring is relaxed and the child is moving upward. At position ©, the child is again momentarily at rest at the top of the jump. Assuming that X1 Figure P5.81 the combined mass of child
A child's pogo stick (Fig. P5.81) stores energy in a spring (k 2.50 X 104 N/m). At position A (x = -0.100 m), the spring %3D compression is a maximum and the child is momentarily at rest. At position ® (x = 0), the spring is relaxed and the child is moving upward. At position ©, the child is again momentarily at rest at the top of the jump. Assuming that X1 Figure P5.81 the combined mass of child
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Label the formula used. Explain and show the complete solution.
Transcribed Image Text:1. A child's pogo stick (Fig. P5.81)
stores energy in a spring (k =
2.50 X 104 N/m). At position
A (x = -0.100 m), the spring
A)
%3D
compression is a maximum
and the child is momentarily
at rest. At position ® (x = 0),
the spring is relaxed and the
child is moving upward. At
position ©, the child is again
momentarily at rest at the top
of the jump. Assuming that
%3D
X2
X1
Figure P5.81
the combined mass of child
Transcribed Image Text:and pogo stick is 25.0 kg, (a) calculate the total
of the system if both potential energies are zero at x = 0,
determine X9, (c) ca!culate the speed of the child at
energy
(b)
x = 0, (d) determine the value of x for which the kinetic
%3D
energy of the system is a maximum, and (e) obtain the
child's maximum upward speed.
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