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DanDanDan
 4 years ago
A vertical spring with a force constant of 700 N/m is initially at equilibrium. A 10kg mass is attached to the end of the spring, causes it to elongate. What will be the maximum elongation/deformation of the spring?
use workenergy theorem
DanDanDan
 4 years ago
A vertical spring with a force constant of 700 N/m is initially at equilibrium. A 10kg mass is attached to the end of the spring, causes it to elongate. What will be the maximum elongation/deformation of the spring? use workenergy theorem

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Assuming this is a vertical arrangement. \[W_s = {1 \over 2} k x^2\]\[E_m = mgx\]

Dandandan
 4 years ago
Best ResponseYou've already chosen the best response.0so \[(1/2) kx^2=mgx ?! \]

Dandandan
 4 years ago
Best ResponseYou've already chosen the best response.0i asked this earlier but that guys said ma=1/2*kx^2.. is it the same ?!

IsTim
 4 years ago
Best ResponseYou've already chosen the best response.0I dunno. It doesn't look like it, but I recognize that configuration.

Dandandan
 4 years ago
Best ResponseYou've already chosen the best response.0A block with mass of 0.5 kg is forced against a horizontal spring of negligible mass. compressing the spring a distance of 0.20m. When released, the block moves on a horizontal tabletop for 1 meter before coming to rest. The spring constant is 100N/m. What is the coefficient of friction between the block and the tabletop?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328026340799:dw by workenergy theorem change in k.e=0 as when we consider that last point when spring has zero velocity,that is when it is pulled backward so that is equal to Net WORK DONE=work done by spring forcemge where e is the extension of spring that is haow mg*e=1/2ke^2
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