This topic contains a solution. Click here to go to the answer

Author Question: The least massive particle of matter is now thought to be A) the photon. B) the neutrino. C) ... (Read 84 times)

geodog55

  • Hero Member
  • *****
  • Posts: 530
The least massive particle of matter is now thought to be
 
  A) the photon.
  B) the neutrino.
  C) the proton.
  D) the electron.
  E) the neutron.

Question 2

Jill's weight is 500 newtons. If Earth gravitationally collapses from its present radius of 6000 km down to a radius of only 600 km, Jill's weight would then be
 
  A) 50,000 newtons.
  B) 5000 newtons.
  C) 5 newtons.
  D) unchanged.
  E) 2000 newtons.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lauravaras

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

B

Answer to Question 2

A





 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

For a complete list of videos, visit our video library