« previous next »

Author Question: When the midpoint of the face of the Sun appears to be on the horizon, where is the actual midpoint ... (Read 98 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Jul 28, 2018
When the midpoint of the face of the Sun appears to be on the horizon, where is the actual midpoint from the point of view of the observer?
 a. above the horizon at sunrise and below the horizon at sunset
  b. on the horizon
  c. below the horizon
  d. above the horizon

Question 2

The thermal conductivity of aluminum is 238 W / m C and of copper is 397 W / m C. A rod of each material is used as a heat conductor. If the rods have the same geometry and are used between the same temperature differences for the same time interval, what is the ratio of the heat transferred by the aluminum to the heat transferred by the copper?
 a. 0.599
  c. 0.359
  b. 1.67
  d. 2.78


cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Face Mites Face Mites
In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol In this painting evangelist George Whitefield appears to be cross-eyed. This is no fault of John Wol
How to find the midpoint of a line segment How to find the midpoint of a line segment
Stretch the extensor muscles with flexion at the wrist. Reposition the palm to face the table. Apply ... Stretch the extensor muscles with flexion at the wrist. Reposition the palm to face the table. Apply ...
Gold-adorned Face Mask Gold-adorned Face Mask
Geese continued to follow a human around assuming their actual mothers Geese continued to follow a human around assuming their actual mothers
Video: Major Elements in Biological Molecules: Lipids

For a complete list of videos, visit our video library