Is the force holding the electrons into their atomic orbits in an ...

[anshika]

Is the force holding the electrons into their atomic orbits in an individual atom basically the same as the force that hold the sun's planets in their orbits? Why or why not?
 
  A) Yes; it is the force of gravity in both cases.
  B) Yes; it is the centrifugal force in both cases.
  C) No; the sun's energy source is nuclear fusion, and fusion does not occur within individual atoms.
  D) No; gravity holds the sun's planets in their orbits, while nuclear forces hold the electrons in their orbits.
  E) No; gravity holds planets in their orbits, while the electromagnetic force holds electrons in their orbits.

Question 2

A commercial jet has a mass of 5000 kg. During takeoff the thrust of its engine is 10,000 N, producing an acceleration of
 
  A) 0.5 m/s2.
  B) 1 m/s2.
  C) 2 m/s2.
  D) 4 m/s2.
  E) none of the above

[Amiracle]

Answer to Question 1

E

Answer to Question 2

Answer: C

[anshika]

Excellent

[kswal303]

Gracias!