Which expression gives the magnitude of the angular momentum of a particle of mass…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Energy and Momentum of Rotating Systems · Energy and Momentum of Rotating Systems

Problem

Which expression gives the magnitude of the angular momentum of a particle of mass

m

moving with speed

v

in a direction perpendicular to its position vector of length

r

measured from a chosen origin? (a)

L = \dfrac{1}{2} m v r

(b)

L = m v r

(c)

L = \dfrac{\pi}{2}\, m v r

(d)

L = 2 m v r