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Author Question: A potter's wheel, with rotational inertia 46 kg m2, is spinning freely at 40 rpm. The potter drops ... (Read 129 times)

torybrooks

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on: Jul 29, 2018
A potter's wheel, with rotational inertia 46 kg  m2, is spinning freely at 40 rpm. The potter drops a lump of clay onto the wheel, where it sticks a distance 1.2 m from the rotational axis.
 
  If the subsequent angular speed of the wheel and clay is 32 rpm what is the mass of the clay? A) 8.0 kg
  B) 5.4 kg
  C) 7.0 kg
  D) 8.8 kg

Question 2

Electromagnetic waves in a vacuum travel with the speed of light.
 
  Indicate whether the statement is true or false


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mmpiza

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

A

Answer to Question 2

TRUE


torybrooks

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


mmpiza

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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