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 32 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?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Fault Movements at Plate Boundaries Fault Movements at Plate Boundaries
Changes in Synaptic Density From Birth to Age 2 Synaptic connections increase throughout the first Changes in Synaptic Density From Birth to Age 2 Synaptic connections increase throughout the first
Does Intelligence Increase with Brain Size? Does Intelligence Increase with Brain Size?
Water vapor is supplied to the atmosphere by local evaporation or horizontal transport (advection). Water vapor is supplied to the atmosphere by local evaporation or horizontal transport (advection).
An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ... An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ...
Increase in total spending in presidential campaigns, 1976-2020 Increase in total spending in presidential campaigns, 1976-2020
Video: X chromosome inactivation in calico cats

For a complete list of videos, visit our video library