Author Question: The energy required to ionize a hydrogen atom from the ground state is A) 27.2 eV. B) 13.6 eV. ... (Read 78 times)

tfester · **on:** Jul 27, 2018

The energy required to ionize a hydrogen atom from the ground state is

A) 27.2 eV.
B) 13.6 eV.
C) 6.8 eV.
D) 3.4 eV.
E) infinite.

Question 2

A potter's wheel with a moment of inertia of 8.0 kg-m2 has 5.0 N-m applied to it. It starts from rest. 10. s later it has gained what kinetic energy?

A) 44. J
B) 0.12 kJ
C) 78. J
D) 1.6 kJ
E) 53. J