Cutnell, Physics, 10e COLLEGE PHYSICS (PHY 2213/2 Grace Period: 11 days left I R

Question

Cutnell, Physics, 10e COLLEGE PHYSICS (PHY 2213/2 Grace Period: 11 days left I Register ice nent Chapter 10, Problem 04 GO A spring es on a horizontal table, and the left en d of the spring attached to a wall. The oth er md is onrected to·bn. The b p led the rote stretch ng the sprig. Sat den t is and the table, so when the spring is stretched anly by a small amount and the bex is released, the box does not move. The mass of the box in 0.55 A, and the soning has a spring cotant of coefficient of static friction between the box and the table on which it rests is p- 0.52. How far can the spring be stretched frore ts unstrained position without the box moving wheo it is released n heb By accessing this Question Assistance, you will learn while you carn points based on the Point Potential Peicy set by year iristructoc Earn Macimum Points available only e you answer this question cerrectly in your first vacy Poticy I Yoga

Explanation / Answer

As per the given question:

m = 0.55 kg

k = 65 N/m

mu = 0.52

Max stretching force = Max. static friction force

kx = mu. R

mu = coefficient of friction

R = reaction = mg

Therefore x = mu. mg / k

= (0.52 x 0.55 x 9.8)/65 = 0.0431 m

x = 4.31 cm (answer)

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