Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
A cyclist of mass
m
m
m
moves along a straight road with initial speed
v
0
v_0
v
0
. The resistive force acting on the cyclist varies with distance as
F
(
x
)
=
−
k
x
F(x) = -kx
F
(
x
)
=
−
k
x
. Derive an expression for the cyclist's speed as a function of position
x
x
x
.
Browse the problem library