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Life Savor for all correct- Thank You Please don\'t round any numbers during cal

ID: 2006675 • Letter: L

Question

Life Savor for all correct- Thank You
Please don't round any numbers during calculation

IGNORE THE CIRCLE AT THE BOTTOM OF THE DIAGRAM

A spring with a constant (70 {N/m}) has an equilibrium length of 1.00 {m}. The spring is compressed to a length of 0.50 {m} and a mass of 1.9 {kg} is placed at its free end on a frictionless slope which makes an angle of 41 degrees with respect to the horizontal. The spring is then released.

(a)
If the mass is not attached to the spring, how far up the slope will the mass move before coming to rest?

d=0.72 (m)

(b)
If the mass is attached to the spring, how far up the slope will the mass move before coming to rest?

THE ANSWER IS NOT 0.5 (m), I REPEAT THE ANSWER IS NOT 0.5 (m), AGAIN THE ANSWER IS NOT 0.5 (m)


(c)
Now the incline has a coefficient of kinetic friction uk. If the block, attached to the spring, is observed to stop just as it reaches the spring's equilibrium position, what is the coefficient of friction uk?

 

Explanation / Answer

Wouldn't B be 1.5 m?

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