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 92 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?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

For a complete list of videos, visit our video library