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

Author Question: The size of a black hole, its Schwarzschild radius, is simply proportional to its _____. A) mass ... (Read 75 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 27, 2018
The size of a black hole, its Schwarzschild radius, is simply proportional to its _____.
 
  A) mass
  B) luminosity
  C) temperature
  D) density

Question 2

Which of the following is a reason why low-mass stars cannot get very hot when they contract?
 
  A) They are unable to convert gravitational energy into thermal energy.
  B) They have limited gravitational energy.
  C) They get very hot and hence can ignite several nuclear fuels.
  D) They can sustain hydrogen fusion only if their masses are less than 0.08 solar mass.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


ts19998

  • Member
  • Posts: 531
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

A Black cat under the snow. A Black cat under the snow.
Pacific Black Duck (Anas superciliosa) Pacific Black Duck (Anas superciliosa)
Juglans nigra (Black Walnut tree) lower leaf surface Juglans nigra (Black Walnut tree) lower leaf surface
Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to
What is the density of 96 mL of a liquid that has a mass of 90.5 g? What is the density of 96 mL of a liquid that has a mass of 90.5 g?
A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg ∙ m2 is rotating ... A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg ∙ m2 is rotating ...
Video: Non-polar compounds - insolubility

For a complete list of videos, visit our video library