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Author Question: A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower end. ... (Read 81 times)

maegan_martin

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on: Jul 29, 2018
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower end.
 
  It starts out vertically from rest and falls, pivoting about the hinge. Just as it has rotated through an angle of 55.0, what is the downward acceleration of the end farthest from the hinge?
  A) 5.02 m/s2
  B) 8.03 m/s2
  C) 9.80 m/s2
  D) 12.0 m/s2
  E) 19.6 m/s2

Question 2

The transverse nature of electromagnetic waves is apparent because
 
  A) they are electric in nature.
  B) they are magnetic in nature.
  C) they can be polarized.
  D) they are electromagnetic in nature.
  E) None of the previous answers is correct.


Swizqar

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

D

Answer to Question 2

C


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maegan_martin

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Reply #2 on: Jul 29, 2018
Thanks


Swizqar

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Reply #3 on: Jul 29, 2018
Welcome :)


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