A horizontal spring with force constant k = 680 N/m is attached to a wall at one end and to a block of mass m = 2.15 kg at the other end that rests on a horizontal surface. The block is released from rest from a position 3.85 cm beyond the spring's equilibrium position. (a) If the surface is frictionless, what is the speed of the block as it passes through the equilibrium position? m/s (b) If the surface is rough and the coefficient of kinetic friction between the box and the surface is μk = 0.200, what is the speed of the block as it passes through the equilibrium position?
A horizontal spring with force constant k = 680 N/m is attached to a wall at one end and to a block of mass m = 2.15 kg at the other end that rests on a horizontal surface. The block is released from rest from a position 3.85 cm beyond the spring's equilibrium position. (a) If the surface is frictionless, what is the speed of the block as it passes through the equilibrium position? m/s (b) If the surface is rough and the coefficient of kinetic friction between the box and the surface is μk = 0.200, what is the speed of the block as it passes through the equilibrium position?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Conservation Of Energy
Section: Chapter Questions
Problem 15P: A block of mass m = 2.00 kg is attached to a spring of force constant k = 500 N/m as shown in Figure...
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A horizontal spring with force constant
k = 680 N/m
is attached to a wall at one end and to a block of mass
m = 2.15 kg
at the other end that rests on a horizontal surface. The block is released from rest from a position 3.85 cm beyond the spring's equilibrium position.
(a) If the surface is frictionless, what is the speed of the block as it passes through the equilibrium position?
m/s
(b) If the surface is rough and the coefficient of kinetic friction between the box and the surface is
m/s
(b) If the surface is rough and the coefficient of kinetic friction between the box and the surface is
μk = 0.200,
what is the speed of the block as it passes through the equilibrium position?Expert Solution
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