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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 86 times)

V@ndy87

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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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V@ndy87

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Reply 2 on: Jul 29, 2018
Gracias!


dawsa925

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Reply 3 on: Yesterday
:D TYSM

 

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