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Author Question: When a 0.350-kg package is attached to a vertical spring and lowered slowly, the spring stretches ... (Read 79 times)

V@ndy87

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on: Jul 29, 2018
When a 0.350-kg package is attached to a vertical spring and lowered slowly, the spring stretches 12.0 cm. The package is now displaced from its equilibrium position and undergoes simple harmonic oscillations when released.
 
  What is the period of the oscillations?
  A) 0.0769 s B) 0.286 s C) 0.695 s D) 1.44 s E) 0.483 s

Question 2

A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 30 above the horizontal. What is the horizontal distance to the point where the football hits the ground if we neglect air?
 
  A) 20 m
  B) 35 m
  C) 18 m
  D) 60 m
  E) 30.0 m
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KKcool

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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V@ndy87

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Reply 2 on: Jul 29, 2018
Wow, this really help

isabelt_18

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Reply 3 on: Yesterday
Gracias!

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