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

Author Question: If you could count stars at a rate of about one per second, how long would it take to count all the ... (Read 40 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
If you could count stars at a rate of about one per second, how long would it take to count all the stars in the Milky Way Galaxy?
 
  A) several days B) several thousand years
  C) several weeks D) several years

Question 2

Which of the following scenarios involves energy that we would typically calculate with Einstein's formula E = mc2?
 
  A) A small amount of the hydrogen in a nuclear bomb becomes energy as fusion converts the hydrogen to helium.
  B) A burning piece of wood produces light and heat, therefore giving off radiative and thermal energy.
  C) A mass raised to a great height has a lot of gravitational potential energy.
  D) An object accelerated to a great speed has a lot of kinetic energy.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shailee

  • Sr. Member
  • ****
  • Posts: 392
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


eruditmonkey@yahoo.com

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Exercise increases the heart rate. Exercise increases the heart rate.
Rate of Residential Change, Past Year, in the United States Rate of Residential Change, Past Year, in the United States
Population growth rate % Population growth rate %
The rate of global emissions is rising rapidly, especially in India and China The rate of global emissions is rising rapidly, especially in India and China
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 ...
Summer squash exhibiting various fruit-shape phenotypes, including disc, long, and sphere Summer squash exhibiting various fruit-shape phenotypes, including disc, long, and sphere
Video: Simple Diffusion - Ion transport

For a complete list of videos, visit our video library