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Physics
Physics
Problem
Which expression gives the magnitude of the angular momentum of a particle of mass
m
m
m
moving with speed
v
v
v
in a direction perpendicular to its position vector of length
r
r
r
measured from a chosen origin? a)
L
=
1
2
m
v
r
L = \dfrac{1}{2} m v r
L
=
2
1
m
v
r
b)
L
=
m
v
r
L = m v r
L
=
m
v
r
c)
L
=
π
2
m
v
r
L = \dfrac{\pi}{2}\, m v r
L
=
2
π
m
v
r
d)
L
=
2
m
v
r
L = 2 m v r
L
=
2
m
v
r
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