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Author Question: Ernest Rutherford tested Thomson's model by directing a beam of beta particles, at a thin gold foil. ... (Read 143 times)

renzo156

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on: Jul 29, 2018
Ernest Rutherford tested Thomson's model by directing a beam of beta particles, at a thin gold foil.
 
  Indicate whether the statement is true or false

Question 2

A string is wrapped tightly around a fixed pulley that has a moment of inertia of 0.0352 kg m2 and a radius of 12.5 cm. The string is pulled away from the pulley with a constant force of 5.00 N. As the string unwinds the pulley begins to rotate.
 
  What is the speed of the string after it has unwound 1.25 m? A) 2.09 m/s
  B) 2.36 m/s
  C) 1.18m/s
  D) 3.18 m/s
  E) 4.95 m/s


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bitingbit

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

FALSE

Answer to Question 2

B


renzo156

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Reply 2 on: Jul 29, 2018
Excellent

zacnyjessica

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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