This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A light board, 10 m long, is supported by two sawhorses, one at one edge of the board and a second ... (Read 39 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
on: Jul 29, 2018
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
Reply #1 on: Jul 29, 2018
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
Gracias!

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Synaptic response of photoreceptors to dark and light. Synaptic response of photoreceptors to dark and light.
Long-Term Potentiation and Long-Term Depression Long-Term Potentiation and Long-Term Depression
The air flowing into the engine can be directed through long or short runners for best performance ... The air flowing into the engine can be directed through long or short runners for best performance ...
Apply light effleurage around abdomen in a large circle with the palm of a flat hand. Apply light effleurage around abdomen in a large circle with the palm of a flat hand.
Energetics of the two-photosystem light reactions Energetics of the two-photosystem light reactions
A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ... A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30 relative ...
Video: Vascular tissues in a corn stem and a buttercup root

For a complete list of videos, visit our video library