If a doubly-ionized oxygen atom is accelerated from rest by going ...

[mydiamond]

If a doubly-ionized oxygen atom is accelerated from rest by going through a potential difference of 10 V, what will be the change in its kinetic energy?
 a. 10 eV
  c. 20 eV
  b. 40 eV
  d. none of the above

Question 2

Consider a point on a bicycle wheel as the wheel turns about a fixed axis, neither speeding up nor slowing down. Compare the linear and angular velocities of the point.
 a. Both are constant.
  c. Only the linear velocity is constant.
  b. Only the angular velocity is constant.
  d. Neither is constant.

[coyin]

Answer to Question 1

C

Answer to Question 2

B

[mydiamond]

Thanks for the timely response, appreciate it

[isabelt_18]

Gracias!