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Springs and Masses

by the_d
Tags: masses, springs
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the_d
#1
Mar27-05, 07:15 PM
P: 129
a 0.466 kg mass is attached to a spring with a spring constant 144 N/m so that the mass is allowed to move on a horizontal frictionless surface. The mass is released from rest when the spring is compressed 0.174 m. what is the maximum force on the mass and the maximum acceleration?

i used the eq. Force of the Spring = -(k)(x) to get the force on the mass
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whozum
#2
Mar27-05, 07:25 PM
P: 2,218
I think all you need is [tex] F = ma = -kx [/tex]

You might also use [tex] W = F*d = mad = -kx^2d/2 [/tex]
the_d
#3
Mar27-05, 07:27 PM
P: 129
thats what i did to get the force, and i got 25.056 N, i am confused of to how i would get the max acceleration

whozum
#4
Mar27-05, 07:31 PM
P: 2,218
Springs and Masses

You know the force, you know the mass. Find A
the_d
#5
Mar27-05, 07:46 PM
P: 129
oh yeah, thanx


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