A 2.4-kg object is attached to a horizontal spring of forceconstant k=4.5 kN/m. The spring is stretched 10 cm fromequilibrium and released. Find (a) t
Carol Gates
Answered question
2021-03-24
An object weighing 2.4 kg is fastened to a horizontal spring with a force constant of k=4.5 kN/m. The spring is extended by 10 cm from equilibrium before being let go. Find (a) the frequency of themotion, (b) the period, (c) the amplitude, (d) the maximum speed,and (e) the maximum acceleration. (f) When does an object first get at equilibrium? What is the current rate of acceleration?
A frictionless horizontal air track supports two identical blocks stacked one on top of the other. The lower block isattached to a spring of spring constant k= 600 N/m. Whendisplaced slightly from its equilibrium position, the systemoscillates with a frequency of 1.8 Hz. When the amplitude ofoscillation exceeds 5 cm, the upper block starts to slide relativeto the lower one. (a) What are the masses of the twoblocks? (b) What is the coefficient of static frictionbetween the two blocks?
Answer & Explanation
Jozlyn
Skilled2021-03-26Added 85 answers
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