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# please kind of guide me through the parts ( I have minimal understanding of energy of system ) I will

include a screenshot to provide with the diagram

A particle of mass m = Overhead view
1.18 kg is attached between
two identical springs on
a frictionless, horizontal
tabletop. Both springs
have spring constant k and
are initially unstressed,
and the particle is at x = 0.
(a) The particle is pulled
a distance x along a direc-
tion perpendicular to the Figure P658 initial conﬁguration of the springs as shown in Figure P6.68. Show that the force
exerted by the springs on the particle is if = -2kx(l — ;)i
\/.x2 + L2 (b) Show that the potential energy of the system is U(x) = w + 2kL(L — Vac? + L?) (c) Make a plot of U(x) versus 9: and identify all equilibrium
points. Assume L = 1.20 m and k = 40.0 N/ m. (d) If the particle is pulled 0.500 m to the right and then released,
what is its speed when it reaches x = 0?

#### Top Answer

A) F = 2 K X ( 1 X 2 + L 2 ... View the full answer

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