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

Author Question: One can increase the insolation upon a one ft2 horizontal plate by ________. a. using a fresnel ... (Read 14 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
on: Jul 28, 2018
One can increase the insolation upon a one ft2 horizontal plate by ________.
 a. using a fresnel lens of one ft2
  b. using two 1 ft2 fresnel lenses, one on top of the other
  c. adding reflectors around the plate
  d. increasing the temperature of the plate
  e. increasing the absorption of the plate

Question 2

A horizontal uniform meter stick supported at the 50-cm mark has a mass of 0.50 kg hanging from it at the 20-cm mark and a 0.30 kg mass hanging from it at the 60-cm mark. Determine the position on the meter stick at which one would hang a third mass of 0.60 kg to keep the meter stick balanced.
 a. 74 cm
  b. 70 cm
  c. 65 cm
  d. 86 cm
  e. 62 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

B


acc299

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Epiphyseal plate Epiphyseal plate
Mt. Pinatubo A Volcano at a Convergent Plate Boundary Mt. Pinatubo A Volcano at a Convergent Plate Boundary
A high-performance aftermarket air filter often can increase airflow into the engine for more ... A high-performance aftermarket air filter often can increase airflow into the engine for more ...
Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ... Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ...
Horizontal Pressure Gradients in the Upper Atmosphere Horizontal Pressure Gradients in the Upper Atmosphere
Increase in Surface Area by Mechanical Weathering Increase in Surface Area by Mechanical Weathering
Video: Cerebral Cortex Animation

For a complete list of videos, visit our video library