This topic contains a solution. Click here to go to the answer

Author Question: A light board, 10 m long, is supported by two sawhorses, one at one edge of the board and a second ... (Read 104 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
A light board, 10 m long, is supported by two sawhorses, one at one edge of the board and a second at the midpoint. A 40-N weight is placed between the two sawhorses, 3.0 m from the edge and 2.0 m from the center.
 
  What forces are exerted by the sawhorses on the board?

Question 2

The sound level of a person talking at 1.0 m of distance is 60 dB. You are surrounded by five people all talking at the same time. What sound level are you being exposed to?
 
  A)
 
  600 dB
 
  B)
 
  60 dB
 
  C)
 
  74 dB
 
  D)
 
  67 dB
 
  E)
 
  81 dB



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cegalasso

  • Sr. Member
  • ****
  • Posts: 295
Answer to Question 1

16 N at the end and 24 N at the midpoint

Answer to Question 2

D




magmichele12

  • Member
  • Posts: 559
Reply 2 on: Jul 29, 2018
:D TYSM


xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

For a complete list of videos, visit our video library