4) A spring is used to stop a 60 kg package which is moving down a 30
degree incline. The spring...

Question

4) A spring is used to stop a 60 kg package which is moving down a 30 
degree incline. The spring has a constant k=25000N/m and is held by 
cable so that it is initially compressed 0.06m. Knowing that the 
velocity of the package is 3 m/sec when it is 9 m from the spring and 
the coefficient of kinetic friction between the package and the surface 
is 0.1, determine the maximum additional deformation of the spring in 
bringing the package to rest.NOTE I DOUBLE POSTED BECAUSE I FORGOT TO PUT THE IMAGE FIRST TIME

Robert · Accepted Answer

TTs070712_Jos33579_4 
Q. A spring is used to stop a 60 kg package which is moving down a 30 degree incline. The 
spring has a constant k=25000N/m and is held by cable so that it is initially compressed 0.06m. 
Knowing that the velocity of the package is 3 m/sec when it is 9 m from the spring and the 
coefficient of kinetic friction between the package and the surface is 0.1, determine the 
maximum additional deformation of the spring in bringing the package to rest.
Solution:

4) A spring is used to stop a 60 kg package which is moving down a 30 degree incline. The spring has a constant k=25000N/m and is held by cable so that it is initially compressed 0.06m. Knowing that...

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