As shown in the figure below, a box of mass m = 5.00 kg is sliding across a horizontal frictionless surface with an initial speed vi = 3.10 m/s when it encounters a spring of constant k = 2837 N/m. (a) The box comes momentarily to rest after compressing the spring by some amount xc. Calculate the change in the kinetic energy of the spring. (Hint: Should this value be negative or positive?) J (b) Calculate the potential energy of the spring when it is compressed. (Hint: Think about the Work-Energy Theorem) J (c) Calculate the amount xc by which the spring was compressed.
As shown in the figure below, a box of mass m = 5.00 kg is sliding across a horizontal frictionless surface with an initial speed vi = 3.10 m/s when it encounters a spring of constant k = 2837 N/m. (a) The box comes momentarily to rest after compressing the spring by some amount xc. Calculate the change in the kinetic energy of the spring. (Hint: Should this value be negative or positive?) J (b) Calculate the potential energy of the spring when it is compressed. (Hint: Think about the Work-Energy Theorem) J (c) Calculate the amount xc by which the spring was compressed.
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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As shown in the figure below, a box of mass
m = 5.00 kg
is sliding across a horizontal frictionless surface with an initial speed
vi = 3.10 m/s
when it encounters a spring of constant
k = 2837 N/m.
(a) The box comes momentarily to rest after compressing the spring by some amount xc. Calculate the change in the kinetic energy of the spring. (Hint: Should this value be negative or positive?)
J
(b) Calculate the potential energy of the spring when it is compressed. (Hint: Think about the Work-Energy Theorem)
J
(c) Calculate the amount xc by which the spring was compressed.
m
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