MathDB
Problems
Contests
Undergraduate contests
Putnam
1941 Putnam
B5
B5
Part of
1941 Putnam
Problems
(1)
Putnam 1941 B5
Source: Putnam 1941
2/23/2022
A car is being driven so that its wheels, all of radius
a
a
a
feet, have an angular velocity of
ω
\omega
ω
radians per second. A particle is thrown off from the tire of one of these wheels, where it is supposed that
a
ω
2
>
g
a \omega^{2} >g
a
ω
2
>
g
. Neglecting the resistance of the air, show that the maximum height above the roadway which the particle can reach is
(
a
ω
+
g
ω
−
1
)
2
2
g
.
\frac{(a \omega+g \omega^{-1})^{2}}{2g}.
2
g
(
aω
+
g
ω
−
1
)
2
.
Putnam
Velocity