Nuclear fission is the process by which A) a number of smaller ...

[mia]

Nuclear fission is the process by which
 
  A) a number of smaller nuclei combine to form a larger nucleus with the release of energy
  B) electrons are rearranged inside an atom, releasing energy
  C) an electron is ejected from the nucleus of an atom, releasing energy
  D) large nuclei break up into smaller nuclei with the release of energy

Question 2

A wheel of diameter 0.70 m rolls without slipping. A point at the top of the wheel moves with a tangential speed 2.0 m/s.
 
  (a) At what speed is the axis of the wheel moving?
  (b) What is the angular speed of the wheel?

[komodo7]

Answer to Question 1

D

Answer to Question 2

(a) 1.0 m/s
(b) 2.9 rad/s

[mia]

Wow, this really help

[duy1981999]

Gracias!