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 47 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
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

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library