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anonymous
 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?
solve using workenergy theorem
anonymous
 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? solve using workenergy theorem

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0ma=1/2*kx^2 10*9.8=1/2*700*x^2 x approximately equals 0.529m

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0wer did u get this > ma=1/2*kx^2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oww.. okok, yeah, i can remember it now,, gheez thanks !! ..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0can i still ask one more??

anonymous
 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.0(mu_k)mg(delta d)=1/2*kx^2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0(mu_k)(0.5)(9.8)(1)=1/2*(100)(0.20)^2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0basically all the kinetic energy of the spring is converted into heat/friction

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0wait. whats this > (mu_k)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0coefficient of friction

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i think its just mu..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0aww. okok, k stands for kinetic xDD
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