A 25-kg block on a horizontal surface is attached to a light spring (force constant = 8.0 KN/m). The block is pulled 10 cm to the right from its equilibrium position and released from rest. When the block has moved 2.0 cm toward its equilibrium position, its kinetic energy is 12 J. What is the change in mechanical energy caused by the frictional force on the block as it moves the 2.0 cm? A -4.0 J B -3.5 J -2.4 J D -2.9 J E -15 J
A 25-kg block on a horizontal surface is attached to a light spring (force constant = 8.0 KN/m). The block is pulled 10 cm to the right from its equilibrium position and released from rest. When the block has moved 2.0 cm toward its equilibrium position, its kinetic energy is 12 J. What is the change in mechanical energy caused by the frictional force on the block as it moves the 2.0 cm? A -4.0 J B -3.5 J -2.4 J D -2.9 J E -15 J
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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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![A 25-kg block on a horizontal surface is attached to a light spring (force constant = 8.0 kN/m). The block is pulled 10 cm to the right
from its equilibrium position and released from rest. When the block has moved 2.0 cm toward its equilibrium position, its kinetic
energy is 12 J. What is the change in mechanical energy caused by the frictional force on the block as it moves the 2.0 cm?
A) -4.0 J
B) -3.5 J
c) -2.4 J
D) -2.9 J
(E) -15 J](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1c62d544-496c-425e-aec6-53b5e534efdc%2Fa49769c4-9de9-4705-aab8-5ecd1570c389%2Fv6uwor9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A 25-kg block on a horizontal surface is attached to a light spring (force constant = 8.0 kN/m). The block is pulled 10 cm to the right
from its equilibrium position and released from rest. When the block has moved 2.0 cm toward its equilibrium position, its kinetic
energy is 12 J. What is the change in mechanical energy caused by the frictional force on the block as it moves the 2.0 cm?
A) -4.0 J
B) -3.5 J
c) -2.4 J
D) -2.9 J
(E) -15 J
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