Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
A proton of charge
e
e
e
and mass
m
m
m
enters a uniform magnetic field
B
=
B
i
^
\mathbf{B} = B\hat{i}
B
=
B
i
^
with an initial velocity
v
=
v
x
i
^
+
v
y
j
^
\mathbf{v} = v_x\hat{i} + v_y\hat{j}
v
=
v
x
i
^
+
v
y
j
^
. Find an expression in unit vector notation for its velocity at time
t
t
t
.
Browse the problem library