A 20-kg cube connected to a light spring for which the force constant is 20 N/cm oscillates on a horizontal, frictionless track. Calculate the total energy Etot of the system and the maximum speed max of the cube if the amplitude of the motion is 0.30 m. (A) Etot = 0.90 J, Umax (B) Etot = 0.30 J, Umax = 0.30 m/s (C) Etot = 90 J, Umax = 3.0 m/s (D) Etot = 0.0090 J, Umax = 0.030 m/s (E) Etot = 300 J, Umax = 30 m/s (F) Etot = 0.030 J, Umax = 0.30 m/s Answer LOS: A: 65,66 B: C: 10,38,65,66 D: 38,65,66 E: F: = = 0.30 m/s

A 20-kg cube connected to a light spring for which the force constant is 20 N/cm oscillates on a horizontal, frictionless track. Calculate the total energy Etot of the system and the maximum speed max of the cube if the amplitude of the motion is 0.30 m. (A) Etot = 0.90 J, Umax (B) Etot = 0.30 J, Umax = 0.30 m/s (C) Etot = 90 J, Umax = 3.0 m/s (D) Etot = 0.0090 J, Umax = 0.030 m/s (E) Etot = 300 J, Umax = 30 m/s (F) Etot = 0.030 J, Umax = 0.30 m/s Answer LOS: A: 65,66 B: C: 10,38,65,66 D: 38,65,66 E: F: = = 0.30 m/s

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter2: Newton's Laws

Section: Chapter Questions

Problem 28P: . A mass of 0.75 kg is attached to a relaxed spring with k = 2.5 N/m. The mass rests on a...

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