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

Author Question: When the absolute magnitudes, or brightnesses, of stars are plotted against their surface ... (Read 51 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jul 28, 2018
When the absolute magnitudes, or brightnesses, of stars are plotted against their surface temperatures or colors, we obtain a(n)
 a. Hertzsprung-Russell (or H-R) diagram.
  b. straight line.
  c. random pattern.
  d. none of the above

Question 2

In a 12-V battery circuit, a 10- resistor and a 30- resistor are connected in series. How much current does the battery supply to the circuit?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sabina576

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

0.30 A


khang

  • Member
  • Posts: 569
Reply 2 on: Jul 28, 2018
Excellent

TheDev123

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
lower surface of Arabidopsis thaliana leaf, showing a trichome lower surface of Arabidopsis thaliana leaf, showing a trichome
Surface Features on Europa Surface Features on Europa
Surface Maps Surface Maps
Variations in the Ocean’s Surface Temperature and Salinity with Latitude Variations in the Ocean’s Surface Temperature and Salinity with Latitude
A container in the shape of a right circular cylinder with no top has surface area square feet. A container in the shape of a right circular cylinder with no top has surface area square feet.
Video: Simple and Double Sugar

For a complete list of videos, visit our video library