We never find isolated, individual quarks because A) quarks ...

[lak]

We never find isolated, individual quarks because
 
  A) quarks immediately undergo radioactive decay when they are separated.
  B) quarks are bound tightly together by neutrinos.
  C) quarks are always attached to electrons.
  D) the force between quarks is infinitely strong so they cannot be budged.
  E) whenever quarks are separated, the energy created by the separation creates new quark pairs.

Question 2

The x and y components of a vector in a horizontal plane are 4.00 m and 3.00 m, respectively.
 
  (a) What is the magnitude of this vector?
  (b) What angle does this vector make with the positive +y-axis.

[Gabe]

Answer to Question 1

E

Answer to Question 2

(a) 5.00 m (b) 53.1

[lak]

Great answer, keep it coming

[sailorcrescent]

Thanks for the timely response, appreciate it