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. It is joined to another spring whose spring constant is 
. A load of 
is suspended from this composite spring.
is applied to a spring, the length of the spring is 
. When a force of 
is applied to the same spring, its length is 
. The spring obeys Hooke’s law. What is the spring constant of the spring?
. The height 
of the lamp above the floor is measured. The middle wire suddenly breaks and the lamp falls a small distance as the extensions of the remaining two wires increase. The wires obey Hooke’s law. When the lamp is in equilibrium, the height 
against extension 
.
is suspended from a spring and the distance from the bottom of the spring to the floor is measured to be 
. The mass is replaced with a 
mass and the distance from the bottom of the spring to the floor is now measured to be 
. The spring obeys Hooke’s law. What is the spring constant of the spring?
to a spring.
. What is the total extension of the spring produced by a 
and the other with spring constant 
, are connected as shown.
?
. When a 
weight is hung from the spring, it has a stretched length of 
. What was the original length of the spring?
