Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Ion A has charge
+
3
e
+3e
+
3
e
and mass
9
m
p
9m_p
9
m
p
, while ion B has charge
+
e
+e
+
e
and mass
3
m
p
3m_p
3
m
p
. Both ions are released from rest and accelerated through an electric potential difference of
120
V
120\,\text{V}
120
V
. What is the ratio of their final speeds
v
A
/
v
B
v_A/v_B
v
A
/
v
B
? a)
3
3
3
b)
3
\sqrt{3}
3
c)
1
1
1
d)
1
3
\dfrac{1}{\sqrt{3}}
3
1
Browse the problem library