A 4.20-kg object is attached to a spring and placed on frictionless, A 4.20-kg o

Question

A 4.20-kg object is attached to a spring and placed on frictionless,

A 4.20-kg object is attached to a spring and placed on frictionless, horizontal surface. a horizontal force of 7.0 N is required to hold the object at rest when it is pulled 0.200 m frorr its equilibrium position (the origin of the x axis). The object is now released from rest from this stretched position, and it subsequently undergoes simple harmonic oscillations. Find the force constant of the spring N/m Find the frequency of the oscillations. Hz Find the maximum speed of the object. m/s Where does this maximum speed occur? x = m Find the maximum acceleration of the object. m/s2 Where does the maximum acceleration occur? x = Find the total energy of the oscillating system. Find the speed of the object when its position is equal to one-third of the maximum value. m/s Find the acceleration of the object when its position is equal to one-third of the maximum value. m/s2

Explanation / Answer

a) 35 b) 0.453 c) 0.577 d) 0 e) 1.619 f) 0.2 g) 0.7 h) 0.544 i) 0.54

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