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Author Question: A boat loaded with scrap iron floats in a swimming pool. When the iron is thrown overboard, the pool ... (Read 69 times)

biggirl4568

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on: Jul 29, 2018
A boat loaded with scrap iron floats in a swimming pool. When the iron is thrown overboard, the pool level will
 
  A) rise.
  B) fall.
  C) remain unchanged.

Question 2

A 0.50-kg object is attached to an ideal massless spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position.
 
  (a) What is the amplitude of vibration? (b) At what location are the kinetic energy and the potential energy of the system the same?


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Liamb2179

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

(a) 0.24 m (b) x = 0.17 m


biggirl4568

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Reply 2 on: Jul 29, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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