Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Physics
Physics
Problem
Rahul walks
50
m
50\,\text{m}
50
m
north and then
30
m
30\,\text{m}
30
m
south in
40
s
40\,\text{s}
40
s
. Which option correctly compares the magnitudes of his average speed
(
v
avg
)
(v_{\text{avg}})
(
v
avg
)
and average velocity
(
v
ˉ
)
(\bar v)
(
v
ˉ
)
for the whole walk? a)
v
avg
=
v
ˉ
v_{\text{avg}} = \bar v
v
avg
=
v
ˉ
b)
v
avg
<
v
ˉ
v_{\text{avg}} < \bar v
v
avg
<
v
ˉ
c)
v
avg
>
v
ˉ
v_{\text{avg}} > \bar v
v
avg
>
v
ˉ
d) Both
v
avg
v_{\text{avg}}
v
avg
\;and\;
v
ˉ
\bar v
v
ˉ
are zero
Browse the problem library