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A horizontal spring with force constant k = 750 N/m is attached to a wall on one end. The other end of the spring is attached to a 1.90 kg object that rests upon a frictionless countertop, as shown below. A horizontal spring extending along the x-axis, with a block attached to its right end and a wall attached to its left end, is shown in three superimposed configurations, illustrating the block's progression through time. The equilibrium position of the block is at x = 0 where the x-axis extends to the right. The block is shown at its rightmost position, labeled "x = xi," while to its left, two dashed outlines are positioned at points labeled "x = xi / 2" and "x = 0."

A horizontal spring with force constant k = 750 N/m is attached to a wall on one end. The other end of the spring is attached to a 1.90 kg object that rests upon a frictionless countertop, as shown below. A horizontal spring extending along the x-axis, with a block attached to its right end and a wall attached to its left end, is shown in three superimposed configurations, illustrating the block's progression through time. The equilibrium position of the block is at x = 0 where the x-axis extends to the right. The block is shown at its rightmost position, labeled "x = xi," while to its left, two dashed outlines are positioned at points labeled "x = xi / 2" and "x = 0."

College Physics
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Introduction
Section: Chapter Questions
Problem 45P: In Figure P1.49, find (a) the side opposite , (b) the side adjacent to . (c) cos , (d) sin , and (c)...
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A horizontal spring with force constant k = 750 N/m is attached to a wall on one end. The other end of the spring is attached to a 1.90 kg object that rests upon a frictionless countertop, as shown below.
A horizontal spring extending along the x-axis, with a block attached to its right end and a wall attached to its left end, is shown in three superimposed configurations, illustrating the block's progression through time. The equilibrium position of the block is at x = 0 where the x-axis extends to the right. The block is shown at its rightmost position, labeled "x = xi," while to its left, two dashed outlines are positioned at points labeled "x = xi / 2" and "x = 0."
(a)
The object is displaced to an initial position of 
xi = 6.50 cm,
 extending the spring. Calculate 
PEs, i,
 the potential energy (in J) stored in the spring when the object is in this initial position.
  J
(b)
After being held motionless at 
xi = 6.50 cm,
 the object is released. Find the speed (in m/s) with which it passes through the equilibrium position 
(x = 0).
  m/s
(c)
What is the speed (in m/s) of the object when it passes through the position 
xi
2
?
 
L. X3D0X= xy/2
Transcribed Image Text:L. X3D0X= xy/2
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